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1d9153d7ad
Reviewed by: grog
2457 lines
73 KiB
C
2457 lines
73 KiB
C
/* commands.c: vinum interface program, main commands */
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/*-
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* Copyright (c) 1997, 1998
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* Nan Yang Computer Services Limited. All rights reserved.
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*
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* Written by Greg Lehey
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*
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* This software is distributed under the so-called ``Berkeley
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* License'':
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Nan Yang Computer
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* Services Limited.
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* 4. Neither the name of the Company nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* This software is provided ``as is'', and any express or implied
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* warranties, including, but not limited to, the implied warranties of
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* merchantability and fitness for a particular purpose are disclaimed.
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* In no event shall the company or contributors be liable for any
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* direct, indirect, incidental, special, exemplary, or consequential
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* damages (including, but not limited to, procurement of substitute
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* goods or services; loss of use, data, or profits; or business
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* interruption) however caused and on any theory of liability, whether
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* in contract, strict liability, or tort (including negligence or
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* otherwise) arising in any way out of the use of this software, even if
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* advised of the possibility of such damage.
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*
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* $Id: commands.c,v 1.36 2000/12/20 05:05:39 grog Exp $
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* $FreeBSD$
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*/
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <netdb.h>
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#include <paths.h>
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#include <setjmp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <dev/vinum/vinumhdr.h>
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#include <dev/vinum/request.h>
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#include "vext.h"
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#include <sys/types.h>
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#include <sys/linker.h>
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#include <sys/module.h>
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#include <sys/wait.h>
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#include <readline/history.h>
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#include <readline/readline.h>
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#include <devstat.h>
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static void dorename(struct vinum_rename_msg *msg, const char *oldname, const char *name, int maxlen);
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void
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vinum_create(int argc, char *argv[], char *arg0[])
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{
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int error;
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FILE *dfd; /* file descriptor for the config file */
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char buffer[BUFSIZE]; /* read config file in here */
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char commandline[BUFSIZE]; /* issue command from here */
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struct _ioctl_reply *reply;
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int ioctltype; /* for ioctl call */
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char tempfile[PATH_MAX]; /* name of temp file for direct editing */
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char *file; /* file to read */
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FILE *tf; /* temp file */
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if (argc == 0) { /* no args, */
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char *editor; /* editor to start */
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int status;
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editor = getenv("EDITOR");
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if (editor == NULL)
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editor = "/usr/bin/vi";
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sprintf(tempfile, "/var/tmp/" VINUMMOD ".create.%d", getpid()); /* create a temp file */
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tf = fopen(tempfile, "w"); /* open it */
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if (tf == NULL) {
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fprintf(stderr, "Can't open %s: %s\n", argv[0], strerror(errno));
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return;
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}
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printconfig(tf, "# "); /* and put the current config it */
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fclose(tf);
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sprintf(commandline, "%s %s", editor, tempfile); /* create an edit command */
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status = system(commandline); /* do it */
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if (status != 0) {
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fprintf(stderr, "Can't edit config: status %d\n", status);
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return;
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}
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file = tempfile;
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} else if (argc == 1)
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file = argv[0];
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else {
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fprintf(stderr, "Expecting 1 parameter, not %d\n", argc);
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return;
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}
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reply = (struct _ioctl_reply *) &buffer;
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dfd = fopen(file, "r");
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if (dfd == NULL) { /* no go */
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fprintf(stderr, "Can't open %s: %s\n", file, strerror(errno));
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return;
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}
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if (ioctl(superdev, VINUM_STARTCONFIG, &force)) { /* can't get config? */
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printf("Can't configure: %s (%d)\n", strerror(errno), errno);
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return;
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}
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file_line = 0; /* start with line 1 */
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/* Parse the configuration, and add it to the global configuration */
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for (;;) { /* love this style(9) */
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char *configline;
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configline = fgets(buffer, BUFSIZE, dfd);
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if (history)
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fprintf(history, "%s", buffer);
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if (configline == NULL) {
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if (ferror(dfd))
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vinum_perror("Can't read config file");
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break;
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}
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file_line++; /* count the lines */
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if (vflag)
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printf("%4d: %s", file_line, buffer);
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strcpy(commandline, buffer); /* make a copy */
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ioctl(superdev, VINUM_CREATE, buffer);
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if (reply->error != 0) { /* error in config */
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if (!vflag) /* print this line anyway */
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printf("%4d: %s", file_line, commandline);
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fprintf(stdout, "** %d %s: %s\n",
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file_line,
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reply->msg,
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strerror(reply->error));
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/*
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* XXX at the moment, we reset the config
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* lock on error, so try to get it again.
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* If we fail, don't cry again.
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*/
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if (ioctl(superdev, VINUM_STARTCONFIG, &force)) /* can't get config? */
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return;
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}
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}
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fclose(dfd); /* done with the config file */
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ioctltype = 0; /* saveconfig after update */
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error = ioctl(superdev, VINUM_SAVECONFIG, &ioctltype); /* save the config to disk */
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if (error != 0)
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vinum_perror("Can't save Vinum config");
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make_devices();
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listconfig();
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checkupdates(); /* make sure we're updating */
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}
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/* Read vinum config from a disk */
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void
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vinum_read(int argc, char *argv[], char *arg0[])
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{
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int error;
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char buffer[BUFSIZE]; /* read config file in here */
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struct _ioctl_reply *reply;
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int i;
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reply = (struct _ioctl_reply *) &buffer;
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if (argc < 1) { /* wrong arg count */
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fprintf(stderr, "Usage: read drive [drive ...]\n");
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return;
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}
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strcpy(buffer, "read ");
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for (i = 0; i < argc; i++) { /* each drive name */
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strcat(buffer, argv[i]);
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strcat(buffer, " ");
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}
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if (ioctl(superdev, VINUM_STARTCONFIG, &force)) { /* can't get config? */
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fprintf(stderr, "Can't configure: %s (%d)\n", strerror(errno), errno);
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return;
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}
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ioctl(superdev, VINUM_CREATE, &buffer);
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if (reply->error != 0) { /* error in config */
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fprintf(stdout, "** %s: %s\n", reply->msg, strerror(reply->error));
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error = ioctl(superdev, VINUM_RELEASECONFIG, NULL); /* save the config to disk */
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if (error != 0)
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vinum_perror("Can't save Vinum config");
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} else {
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error = ioctl(superdev, VINUM_RELEASECONFIG, NULL); /* save the config to disk */
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if (error != 0)
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vinum_perror("Can't save Vinum config");
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make_devices();
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}
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checkupdates(); /* make sure we're updating */
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}
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#ifdef VINUMDEBUG
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void
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vinum_debug(int argc, char *argv[], char *arg0[])
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{
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struct debuginfo info;
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if (argc > 0) {
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info.param = atoi(argv[0]);
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info.changeit = 1;
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} else {
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info.changeit = 0;
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sleep(2); /* give a chance to leave the window */
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}
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ioctl(superdev, VINUM_DEBUG, (caddr_t) & info);
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}
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#endif
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void
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vinum_modify(int argc, char *argv[], char *arg0[])
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{
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fprintf(stderr, "Modify command is currently not implemented\n");
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checkupdates(); /* make sure we're updating */
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}
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void
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vinum_set(int argc, char *argv[], char *arg0[])
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{
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fprintf(stderr, "set is not implemented yet\n");
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}
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void
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vinum_rm(int argc, char *argv[], char *arg0[])
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{
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int object;
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struct _ioctl_reply reply;
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struct vinum_ioctl_msg *message = (struct vinum_ioctl_msg *) &reply;
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if (argc == 0) /* start everything */
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fprintf(stderr, "Usage: rm object [object...]\n");
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else { /* start specified objects */
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int index;
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enum objecttype type;
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for (index = 0; index < argc; index++) {
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object = find_object(argv[index], &type); /* look for it */
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if (type == invalid_object)
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fprintf(stderr, "Can't find object: %s\n", argv[index]);
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else {
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message->index = object; /* pass object number */
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message->type = type; /* and type of object */
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message->force = force; /* do we want to force the operation? */
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message->recurse = recurse; /* do we want to remove subordinates? */
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ioctl(superdev, VINUM_REMOVE, message);
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if (reply.error != 0) {
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fprintf(stderr,
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"Can't remove %s: %s (%d)\n",
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argv[index],
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reply.msg[0] ? reply.msg : strerror(reply.error),
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reply.error);
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} else if (vflag)
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fprintf(stderr, "%s removed\n", argv[index]);
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}
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}
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checkupdates(); /* make sure we're updating */
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}
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}
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void
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vinum_resetconfig(int argc, char *argv[], char *arg0[])
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{
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char reply[32];
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int error;
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printf(" WARNING! This command will completely wipe out your vinum configuration.\n"
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" All data will be lost. If you really want to do this, enter the text\n\n"
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" NO FUTURE\n"
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" Enter text -> ");
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fgets(reply, sizeof(reply), stdin);
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if (strcmp(reply, "NO FUTURE\n")) /* changed his mind */
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printf("\n No change\n");
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else {
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error = ioctl(superdev, VINUM_RESETCONFIG, NULL); /* trash config on disk */
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if (error) {
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if (errno == EBUSY)
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fprintf(stderr, "Can't reset configuration: objects are in use\n");
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else
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vinum_perror("Can't find vinum config");
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} else {
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make_devices(); /* recreate the /dev/vinum hierarchy */
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printf("\b Vinum configuration obliterated\n");
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start_daemon(); /* then restart the daemon */
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}
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}
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checkupdates(); /* make sure we're updating */
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}
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/* Initialize subdisks */
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void
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vinum_init(int argc, char *argv[], char *arg0[])
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{
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if (argc > 0) { /* initialize plexes */
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int objindex;
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int objno;
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enum objecttype type; /* type returned */
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if (history)
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fflush(history); /* don't let all the kids do it. */
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for (objindex = 0; objindex < argc; objindex++) {
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objno = find_object(argv[objindex], &type); /* find the object */
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if (objno < 0)
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printf("Can't find %s\n", argv[objindex]);
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else {
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switch (type) {
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case volume_object:
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initvol(objno);
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break;
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case plex_object:
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initplex(objno, argv[objindex]);
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break;
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case sd_object:
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initsd(objno, dowait);
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break;
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default:
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printf("Can't initialize %s: wrong object type\n", argv[objindex]);
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break;
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}
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}
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}
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}
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checkupdates(); /* make sure we're updating */
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}
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void
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initvol(int volno)
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{
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printf("Initializing volumes is not implemented yet\n");
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}
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void
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initplex(int plexno, char *name)
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{
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int sdno;
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int plexfh = NULL; /* file handle for plex */
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pid_t pid;
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char filename[MAXPATHLEN]; /* create a file name here */
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/* Variables for use by children */
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int failed = 0; /* set if a child dies badly */
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sprintf(filename, VINUM_DIR "/plex/%s", name);
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if ((plexfh = open(filename, O_RDWR, S_IRWXU)) < 0) { /* got a plex, open it */
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/*
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* We don't actually write anything to the
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* plex. We open it to ensure that nobody
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* else tries to open it while we initialize
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* its subdisks.
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*/
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fprintf(stderr, "can't open plex %s: %s\n", filename, strerror(errno));
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return;
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}
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if (dowait == 0) {
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pid = fork(); /* into the background with you */
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if (pid != 0) { /* I'm the parent, or we failed */
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if (pid < 0) /* failure */
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printf("Couldn't fork: %s", strerror(errno));
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close(plexfh); /* we don't need this any more */
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return;
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}
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}
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/*
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* If we get here, we're either the first-level
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* child (if we're not waiting) or we're going
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* to wait.
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*/
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for (sdno = 0; sdno < plex.subdisks; sdno++) { /* initialize each subdisk */
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get_plex_sd_info(&sd, plexno, sdno);
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initsd(sd.sdno, 0);
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}
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/* Now wait for them to complete */
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while (1) {
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int status;
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pid = wait(&status);
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if (((int) pid == -1)
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&& (errno == ECHILD)) /* all gone */
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break;
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if (WEXITSTATUS(status) != 0) { /* oh, oh */
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printf("child %d exited with status 0x%x\n", pid, WEXITSTATUS(status));
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failed++;
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}
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}
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if (failed == 0) {
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#if 0
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message->index = plexno; /* pass object number */
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message->type = plex_object; /* and type of object */
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message->state = object_up;
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message->force = 1; /* insist */
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ioctl(superdev, VINUM_SETSTATE, message);
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#endif
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syslog(LOG_INFO | LOG_KERN, "plex %s initialized", plex.name);
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} else
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syslog(LOG_ERR | LOG_KERN, "couldn't initialize plex %s, %d processes died",
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plex.name,
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failed);
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if (dowait == 0) /* we're the waiting child, */
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exit(0); /* we've done our dash */
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}
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/* Initialize a subdisk. */
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void
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initsd(int sdno, int dowait)
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{
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pid_t pid;
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struct _ioctl_reply reply;
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struct vinum_ioctl_msg *message = (struct vinum_ioctl_msg *) &reply;
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char filename[MAXPATHLEN]; /* create a file name here */
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/* Variables for use by children */
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int sdfh; /* and for subdisk */
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int initsize; /* actual size to write */
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int64_t sdsize; /* size of subdisk */
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if (dowait == 0) {
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pid = fork(); /* into the background with you */
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if (pid > 0) /* I'm the parent */
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return;
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else if (pid < 0) { /* failure */
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printf("couldn't fork for subdisk %d: %s", sdno, strerror(errno));
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return;
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}
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}
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if (SSize != 0) { /* specified a size for init */
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if (SSize < 512)
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SSize <<= DEV_BSHIFT;
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initsize = min(SSize, MAXPLEXINITSIZE);
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} else
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initsize = PLEXINITSIZE;
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openlog("vinum", LOG_CONS | LOG_PERROR | LOG_PID, LOG_KERN);
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get_sd_info(&sd, sdno);
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sdsize = sd.sectors * DEV_BSIZE; /* size of subdisk in bytes */
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sprintf(filename, VINUM_DIR "/sd/%s", sd.name);
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setproctitle("initializing %s", filename); /* show what we're doing */
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syslog(LOG_INFO | LOG_KERN, "initializing subdisk %s", filename);
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if ((sdfh = open(filename, O_RDWR, S_IRWXU)) < 0) { /* no go */
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syslog(LOG_ERR | LOG_KERN,
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"can't open subdisk %s: %s",
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filename,
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strerror(errno));
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exit(1);
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}
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/* Set the subdisk in initializing state */
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message->index = sd.sdno; /* pass object number */
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message->type = sd_object; /* and type of object */
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message->state = object_initializing;
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message->verify = vflag; /* verify what we write? */
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message->force = 1; /* insist */
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ioctl(superdev, VINUM_SETSTATE, message);
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if ((SSize > 0) /* specified a size for init */
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&&(SSize < 512))
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SSize <<= DEV_BSHIFT;
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if (reply.error) {
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fprintf(stderr,
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"Can't initialize %s: %s (%d)\n",
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filename,
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strerror(reply.error),
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reply.error);
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exit(1);
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} else {
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do {
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if (interval) /* pause between copies */
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usleep(interval * 1000);
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message->index = sd.sdno; /* pass object number */
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message->type = sd_object; /* and type of object */
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message->state = object_up;
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message->verify = vflag; /* verify what we write? */
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message->blocksize = SSize;
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ioctl(superdev, VINUM_SETSTATE, message);
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}
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while (reply.error == EAGAIN); /* until we're done */
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if (reply.error) {
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fprintf(stderr,
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"Can't initialize %s: %s (%d)\n",
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filename,
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strerror(reply.error),
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reply.error);
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get_sd_info(&sd, sdno);
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if (sd.state != sd_up)
|
|
/* Set the subdisk down */
|
|
message->index = sd.sdno; /* pass object number */
|
|
message->type = sd_object; /* and type of object */
|
|
message->state = object_down;
|
|
message->verify = vflag; /* verify what we write? */
|
|
message->force = 1; /* insist */
|
|
ioctl(superdev, VINUM_SETSTATE, message);
|
|
}
|
|
}
|
|
printf("subdisk %s initialized\n", filename);
|
|
if (!dowait)
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
vinum_start(int argc, char *argv[], char *arg0[])
|
|
{
|
|
int object;
|
|
struct _ioctl_reply reply;
|
|
struct vinum_ioctl_msg *message = (struct vinum_ioctl_msg *) &reply;
|
|
|
|
if (argc == 0) { /* start everything */
|
|
int devs = getnumdevs();
|
|
struct statinfo statinfo;
|
|
char *namelist;
|
|
char *enamelist; /* end of name list */
|
|
int i;
|
|
char **token; /* list of tokens */
|
|
int tokens; /* and their number */
|
|
|
|
bzero(&statinfo, sizeof(struct statinfo));
|
|
statinfo.dinfo = malloc(devs * sizeof(struct statinfo));
|
|
namelist = malloc(devs * (DEVSTAT_NAME_LEN + 8));
|
|
token = malloc((devs + 1) * sizeof(char *));
|
|
if ((statinfo.dinfo == NULL) || (namelist == NULL) || (token == NULL)) {
|
|
fprintf(stderr, "Can't allocate memory for drive list\n");
|
|
return;
|
|
}
|
|
bzero(statinfo.dinfo, sizeof(struct devinfo));
|
|
|
|
tokens = 0; /* no tokens yet */
|
|
if (getdevs(&statinfo) < 0) { /* find out what devices we have */
|
|
vinum_perror("Can't get device list");
|
|
return;
|
|
}
|
|
namelist[0] = '\0'; /* start with empty namelist */
|
|
enamelist = namelist; /* point to the end of the list */
|
|
|
|
for (i = 0; i < devs; i++) {
|
|
struct devstat *stat = &statinfo.dinfo->devices[i];
|
|
|
|
if (((stat->device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT) /* disk device */
|
|
&&((stat->device_type & DEVSTAT_TYPE_PASS) == 0) /* and not passthrough */
|
|
&&((stat->device_name[0] != '\0'))) { /* and it has a name */
|
|
sprintf(enamelist, "%s%s%d", _PATH_DEV, stat->device_name, stat->unit_number);
|
|
token[tokens] = enamelist; /* point to it */
|
|
tokens++; /* one more token */
|
|
enamelist = &enamelist[strlen(enamelist) + 1]; /* and start beyond the end */
|
|
}
|
|
}
|
|
free(statinfo.dinfo); /* don't need the list any more */
|
|
vinum_read(tokens, token, &token[0]); /* start the system */
|
|
free(namelist);
|
|
free(token);
|
|
list_defective_objects(); /* and list anything that's down */
|
|
} else { /* start specified objects */
|
|
int index;
|
|
enum objecttype type;
|
|
|
|
for (index = 0; index < argc; index++) {
|
|
object = find_object(argv[index], &type); /* look for it */
|
|
if (type == invalid_object)
|
|
fprintf(stderr, "Can't find object: %s\n", argv[index]);
|
|
else {
|
|
int doit = 0; /* set to 1 if we pass our tests */
|
|
switch (type) {
|
|
case drive_object:
|
|
if (drive.state == drive_up) /* already up */
|
|
fprintf(stderr, "%s is already up\n", drive.label.name);
|
|
else
|
|
doit = 1;
|
|
break;
|
|
|
|
case sd_object:
|
|
if (sd.state == sd_up) /* already up */
|
|
fprintf(stderr, "%s is already up\n", sd.name);
|
|
else
|
|
doit = 1;
|
|
break;
|
|
|
|
case plex_object:
|
|
if (plex.state == plex_up) /* already up */
|
|
fprintf(stderr, "%s is already up\n", plex.name);
|
|
else {
|
|
int sdno;
|
|
|
|
/*
|
|
* First, see if we can bring it up
|
|
* just by asking. This might happen
|
|
* if somebody has used setupstate on
|
|
* the subdisks. If we don't do this,
|
|
* we'll return success, but the plex
|
|
* won't have changed state. Note
|
|
* that we don't check for errors
|
|
* here.
|
|
*/
|
|
message->index = plex.plexno; /* pass object number */
|
|
message->type = plex_object; /* it's a plex */
|
|
message->state = object_up;
|
|
message->force = 0; /* don't force it */
|
|
ioctl(superdev, VINUM_SETSTATE, message);
|
|
for (sdno = 0; sdno < plex.subdisks; sdno++) {
|
|
get_plex_sd_info(&sd, object, sdno);
|
|
if ((sd.state >= sd_empty)
|
|
&& (sd.state <= sd_reviving)) { /* candidate for start */
|
|
message->index = sd.sdno; /* pass object number */
|
|
message->type = sd_object; /* it's a subdisk */
|
|
message->state = object_up;
|
|
message->force = force; /* don't force it, use a larger hammer */
|
|
|
|
/*
|
|
* We don't do any checking here.
|
|
* The kernel module has a better
|
|
* understanding of these things,
|
|
* let it do it.
|
|
*/
|
|
if (SSize != 0) { /* specified a size for init */
|
|
if (SSize < 512)
|
|
SSize <<= DEV_BSHIFT;
|
|
message->blocksize = SSize;
|
|
} else
|
|
message->blocksize = DEFAULT_REVIVE_BLOCKSIZE;
|
|
ioctl(superdev, VINUM_SETSTATE, message);
|
|
if (reply.error != 0) {
|
|
if (reply.error == EAGAIN) /* we're reviving */
|
|
continue_revive(sd.sdno);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't start %s: %s (%d)\n",
|
|
sd.name,
|
|
reply.msg[0] ? reply.msg : strerror(reply.error),
|
|
reply.error);
|
|
}
|
|
if (Verbose)
|
|
vinum_lsi(sd.sdno, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case volume_object:
|
|
if (vol.state == volume_up) /* already up */
|
|
fprintf(stderr, "%s is already up\n", vol.name);
|
|
else
|
|
doit = 1;
|
|
break;
|
|
|
|
default:
|
|
}
|
|
|
|
if (doit) {
|
|
message->index = object; /* pass object number */
|
|
message->type = type; /* and type of object */
|
|
message->state = object_up;
|
|
message->force = force; /* don't force it, use a larger hammer */
|
|
|
|
/*
|
|
* We don't do any checking here.
|
|
* The kernel module has a better
|
|
* understanding of these things,
|
|
* let it do it.
|
|
*/
|
|
if (SSize != 0) { /* specified a size for init or revive */
|
|
if (SSize < 512)
|
|
SSize <<= DEV_BSHIFT;
|
|
message->blocksize = SSize;
|
|
} else
|
|
message->blocksize = 0;
|
|
ioctl(superdev, VINUM_SETSTATE, message);
|
|
if (reply.error != 0) {
|
|
if ((reply.error == EAGAIN) /* we're reviving */
|
|
&&(type == sd_object))
|
|
continue_revive(object);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't start %s: %s (%d)\n",
|
|
argv[index],
|
|
reply.msg[0] ? reply.msg : strerror(reply.error),
|
|
reply.error);
|
|
}
|
|
if (Verbose)
|
|
vinum_li(object, type);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
checkupdates(); /* make sure we're updating */
|
|
}
|
|
|
|
void
|
|
vinum_stop(int argc, char *argv[], char *arg0[])
|
|
{
|
|
int object;
|
|
struct _ioctl_reply reply;
|
|
struct vinum_ioctl_msg *message = (struct vinum_ioctl_msg *) &reply;
|
|
|
|
if (checkupdates() && (!force)) /* not updating? */
|
|
return;
|
|
message->force = force; /* should we force the transition? */
|
|
if (argc == 0) { /* stop vinum */
|
|
int fileid = 0; /* ID of Vinum kld */
|
|
|
|
close(superdev); /* we can't stop if we have vinum open */
|
|
sleep(1); /* wait for the daemon to let go */
|
|
fileid = kldfind(VINUMMOD);
|
|
if ((fileid < 0) /* no go */
|
|
||(kldunload(fileid) < 0))
|
|
vinum_perror("Can't unload " VINUMMOD);
|
|
else {
|
|
fprintf(stderr, VINUMMOD " unloaded\n");
|
|
exit(0);
|
|
}
|
|
|
|
/* If we got here, the stop failed. Reopen the superdevice. */
|
|
superdev = open(VINUM_SUPERDEV_NAME, O_RDWR); /* reopen vinum superdevice */
|
|
if (superdev < 0) {
|
|
vinum_perror("Can't reopen Vinum superdevice");
|
|
exit(1);
|
|
}
|
|
} else { /* stop specified objects */
|
|
int i;
|
|
enum objecttype type;
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
object = find_object(argv[i], &type); /* look for it */
|
|
if (type == invalid_object)
|
|
fprintf(stderr, "Can't find object: %s\n", argv[i]);
|
|
else {
|
|
message->index = object; /* pass object number */
|
|
message->type = type; /* and type of object */
|
|
message->state = object_down;
|
|
ioctl(superdev, VINUM_SETSTATE, message);
|
|
if (reply.error != 0)
|
|
fprintf(stderr,
|
|
"Can't stop %s: %s (%d)\n",
|
|
argv[i],
|
|
reply.msg[0] ? reply.msg : strerror(reply.error),
|
|
reply.error);
|
|
if (Verbose)
|
|
vinum_li(object, type);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
vinum_label(int argc, char *argv[], char *arg0[])
|
|
{
|
|
int object;
|
|
struct _ioctl_reply reply;
|
|
int *message = (int *) &reply;
|
|
|
|
if (argc == 0) /* start everything */
|
|
fprintf(stderr, "label: please specify one or more volume names\n");
|
|
else { /* start specified objects */
|
|
int i;
|
|
enum objecttype type;
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
object = find_object(argv[i], &type); /* look for it */
|
|
if (type == invalid_object)
|
|
fprintf(stderr, "Can't find object: %s\n", argv[i]);
|
|
else if (type != volume_object) /* it exists, but it isn't a volume */
|
|
fprintf(stderr, "%s is not a volume\n", argv[i]);
|
|
else {
|
|
message[0] = object; /* pass object number */
|
|
ioctl(superdev, VINUM_LABEL, message);
|
|
if (reply.error != 0)
|
|
fprintf(stderr,
|
|
"Can't label %s: %s (%d)\n",
|
|
argv[i],
|
|
reply.msg[0] ? reply.msg : strerror(reply.error),
|
|
reply.error);
|
|
if (Verbose)
|
|
vinum_li(object, type);
|
|
}
|
|
}
|
|
}
|
|
checkupdates(); /* not updating? */
|
|
}
|
|
|
|
void
|
|
reset_volume_stats(int volno, int recurse)
|
|
{
|
|
struct vinum_ioctl_msg msg;
|
|
struct _ioctl_reply *reply = (struct _ioctl_reply *) &msg;
|
|
|
|
msg.index = volno;
|
|
msg.type = volume_object;
|
|
/* XXX get these numbers right if we ever
|
|
* actually return errors */
|
|
if (ioctl(superdev, VINUM_RESETSTATS, &msg) < 0) {
|
|
fprintf(stderr, "Can't reset stats for volume %d: %s\n", volno, reply->msg);
|
|
longjmp(command_fail, -1);
|
|
} else if (recurse) {
|
|
struct volume vol;
|
|
int plexno;
|
|
|
|
get_volume_info(&vol, volno);
|
|
for (plexno = 0; plexno < vol.plexes; plexno++)
|
|
reset_plex_stats(vol.plex[plexno], recurse);
|
|
}
|
|
}
|
|
|
|
void
|
|
reset_plex_stats(int plexno, int recurse)
|
|
{
|
|
struct vinum_ioctl_msg msg;
|
|
struct _ioctl_reply *reply = (struct _ioctl_reply *) &msg;
|
|
|
|
msg.index = plexno;
|
|
msg.type = plex_object;
|
|
/* XXX get these numbers right if we ever
|
|
* actually return errors */
|
|
if (ioctl(superdev, VINUM_RESETSTATS, &msg) < 0) {
|
|
fprintf(stderr, "Can't reset stats for plex %d: %s\n", plexno, reply->msg);
|
|
longjmp(command_fail, -1);
|
|
} else if (recurse) {
|
|
struct plex plex;
|
|
struct sd sd;
|
|
int sdno;
|
|
|
|
get_plex_info(&plex, plexno);
|
|
for (sdno = 0; sdno < plex.subdisks; sdno++) {
|
|
get_plex_sd_info(&sd, plex.plexno, sdno);
|
|
reset_sd_stats(sd.sdno, recurse);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
reset_sd_stats(int sdno, int recurse)
|
|
{
|
|
struct vinum_ioctl_msg msg;
|
|
struct _ioctl_reply *reply = (struct _ioctl_reply *) &msg;
|
|
|
|
msg.index = sdno;
|
|
msg.type = sd_object;
|
|
/* XXX get these numbers right if we ever
|
|
* actually return errors */
|
|
if (ioctl(superdev, VINUM_RESETSTATS, &msg) < 0) {
|
|
fprintf(stderr, "Can't reset stats for subdisk %d: %s\n", sdno, reply->msg);
|
|
longjmp(command_fail, -1);
|
|
} else if (recurse) {
|
|
get_sd_info(&sd, sdno); /* get the info */
|
|
reset_drive_stats(sd.driveno); /* and clear the drive */
|
|
}
|
|
}
|
|
|
|
void
|
|
reset_drive_stats(int driveno)
|
|
{
|
|
struct vinum_ioctl_msg msg;
|
|
struct _ioctl_reply *reply = (struct _ioctl_reply *) &msg;
|
|
|
|
msg.index = driveno;
|
|
msg.type = drive_object;
|
|
/* XXX get these numbers right if we ever
|
|
* actually return errors */
|
|
if (ioctl(superdev, VINUM_RESETSTATS, &msg) < 0) {
|
|
fprintf(stderr, "Can't reset stats for drive %d: %s\n", driveno, reply->msg);
|
|
longjmp(command_fail, -1);
|
|
}
|
|
}
|
|
|
|
void
|
|
vinum_resetstats(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int i;
|
|
int objno;
|
|
enum objecttype type;
|
|
|
|
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
|
|
vinum_perror("Can't get vinum config");
|
|
return;
|
|
}
|
|
if (argc == 0) {
|
|
for (objno = 0; objno < vinum_conf.volumes_allocated; objno++)
|
|
reset_volume_stats(objno, 1); /* clear everything recursively */
|
|
} else {
|
|
for (i = 0; i < argc; i++) {
|
|
objno = find_object(argv[i], &type);
|
|
if (objno >= 0) { /* not invalid */
|
|
switch (type) {
|
|
case drive_object:
|
|
reset_drive_stats(objno);
|
|
break;
|
|
|
|
case sd_object:
|
|
reset_sd_stats(objno, recurse);
|
|
break;
|
|
|
|
case plex_object:
|
|
reset_plex_stats(objno, recurse);
|
|
break;
|
|
|
|
case volume_object:
|
|
reset_volume_stats(objno, recurse);
|
|
break;
|
|
|
|
case invalid_object: /* can't get this */
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Attach a subdisk to a plex, or a plex to a volume.
|
|
* attach subdisk plex [offset] [rename]
|
|
* attach plex volume [rename]
|
|
*/
|
|
void
|
|
vinum_attach(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int i;
|
|
enum objecttype supertype;
|
|
struct vinum_ioctl_msg msg;
|
|
struct _ioctl_reply *reply = (struct _ioctl_reply *) &msg;
|
|
const char *objname = argv[0];
|
|
const char *supername = argv[1];
|
|
int sdno = -1;
|
|
int plexno = -1;
|
|
char oldname[MAXNAME + 8];
|
|
char newname[MAXNAME + 8];
|
|
int rename = 0; /* set if we want to rename the object */
|
|
|
|
if ((argc < 2)
|
|
|| (argc > 4)) {
|
|
fprintf(stderr,
|
|
"Usage: \tattach <subdisk> <plex> [rename] [<plexoffset>]\n"
|
|
"\tattach <plex> <volume> [rename]\n");
|
|
return;
|
|
}
|
|
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
|
|
vinum_perror("Can't get vinum config");
|
|
return;
|
|
}
|
|
msg.index = find_object(objname, &msg.type); /* find the object to attach */
|
|
msg.otherobject = find_object(supername, &supertype); /* and the object to attach to */
|
|
msg.force = force; /* did we specify the use of force? */
|
|
msg.recurse = recurse;
|
|
msg.offset = -1; /* and no offset */
|
|
|
|
for (i = 2; i < argc; i++) {
|
|
if (!strcmp(argv[i], "rename")) {
|
|
rename = 1;
|
|
msg.rename = 1; /* do renaming */
|
|
} else if (!isdigit(argv[i][0])) { /* not an offset */
|
|
fprintf(stderr, "Unknown attribute: %s\n", supername);
|
|
return;
|
|
} else
|
|
msg.offset = sizespec(argv[i]);
|
|
}
|
|
|
|
switch (msg.type) {
|
|
case sd_object:
|
|
find_object(argv[1], &supertype);
|
|
if (supertype != plex_object) { /* huh? */
|
|
fprintf(stderr, "%s can only be attached to a plex\n", objname);
|
|
return;
|
|
}
|
|
if ((plex.organization != plex_concat) /* not a cat plex, */
|
|
&&(!force)) {
|
|
fprintf(stderr, "Can't attach subdisks to a %s plex\n", plex_org(plex.organization));
|
|
return;
|
|
}
|
|
sdno = msg.index; /* note the subdisk number for later */
|
|
break;
|
|
|
|
case plex_object:
|
|
find_object(argv[1], &supertype);
|
|
if (supertype != volume_object) { /* huh? */
|
|
fprintf(stderr, "%s can only be attached to a volume\n", objname);
|
|
return;
|
|
}
|
|
break;
|
|
|
|
case volume_object:
|
|
case drive_object:
|
|
fprintf(stderr, "Can only attach subdisks and plexes\n");
|
|
return;
|
|
|
|
default:
|
|
fprintf(stderr, "%s is not a Vinum object\n", objname);
|
|
return;
|
|
}
|
|
|
|
ioctl(superdev, VINUM_ATTACH, &msg);
|
|
if (reply->error != 0) {
|
|
if (reply->error == EAGAIN) /* reviving */
|
|
continue_revive(sdno); /* continue the revive */
|
|
else
|
|
fprintf(stderr,
|
|
"Can't attach %s to %s: %s (%d)\n",
|
|
objname,
|
|
supername,
|
|
reply->msg[0] ? reply->msg : strerror(reply->error),
|
|
reply->error);
|
|
}
|
|
if (rename) {
|
|
struct sd;
|
|
struct plex;
|
|
struct volume;
|
|
|
|
/* we've overwritten msg with the
|
|
* ioctl reply, start again */
|
|
msg.index = find_object(objname, &msg.type); /* find the object to rename */
|
|
switch (msg.type) {
|
|
case sd_object:
|
|
get_sd_info(&sd, msg.index);
|
|
get_plex_info(&plex, sd.plexno);
|
|
for (sdno = 0; sdno < plex.subdisks; sdno++) {
|
|
if (plex.sdnos[sdno] == msg.index) /* found our subdisk */
|
|
break;
|
|
}
|
|
sprintf(newname, "%s.s%d", plex.name, sdno);
|
|
sprintf(oldname, "%s", sd.name);
|
|
vinum_rename_2(oldname, newname);
|
|
break;
|
|
|
|
case plex_object:
|
|
get_plex_info(&plex, msg.index);
|
|
get_volume_info(&vol, plex.volno);
|
|
for (plexno = 0; plexno < vol.plexes; plexno++) {
|
|
if (vol.plex[plexno] == msg.index) /* found our subdisk */
|
|
break;
|
|
}
|
|
sprintf(newname, "%s.p%d", vol.name, plexno);
|
|
sprintf(oldname, "%s", plex.name);
|
|
vinum_rename_2(oldname, newname); /* this may recurse */
|
|
break;
|
|
|
|
default: /* can't get here */
|
|
}
|
|
}
|
|
checkupdates(); /* make sure we're updating */
|
|
}
|
|
|
|
/* Detach a subdisk from a plex, or a plex from a volume.
|
|
* detach subdisk plex [rename]
|
|
* detach plex volume [rename]
|
|
*/
|
|
void
|
|
vinum_detach(int argc, char *argv[], char *argv0[])
|
|
{
|
|
struct vinum_ioctl_msg msg;
|
|
struct _ioctl_reply *reply = (struct _ioctl_reply *) &msg;
|
|
|
|
if ((argc < 1)
|
|
|| (argc > 2)) {
|
|
fprintf(stderr,
|
|
"Usage: \tdetach <subdisk> [rename]\n"
|
|
"\tdetach <plex> [rename]\n");
|
|
return;
|
|
}
|
|
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
|
|
vinum_perror("Can't get vinum config");
|
|
return;
|
|
}
|
|
msg.index = find_object(argv[0], &msg.type); /* find the object to detach */
|
|
msg.force = force; /* did we specify the use of force? */
|
|
msg.rename = 0; /* don't specify new name */
|
|
msg.recurse = recurse; /* but recurse if we have to */
|
|
|
|
/* XXX are we going to keep this?
|
|
* Don't document it yet, since the
|
|
* kernel side of things doesn't
|
|
* implement it */
|
|
if (argc == 2) {
|
|
if (!strcmp(argv[1], "rename"))
|
|
msg.rename = 1; /* do renaming */
|
|
else {
|
|
fprintf(stderr, "Unknown attribute: %s\n", argv[1]);
|
|
return;
|
|
}
|
|
}
|
|
if ((msg.type != sd_object)
|
|
&& (msg.type != plex_object)) {
|
|
fprintf(stderr, "Can only detach subdisks and plexes\n");
|
|
return;
|
|
}
|
|
ioctl(superdev, VINUM_DETACH, &msg);
|
|
if (reply->error != 0)
|
|
fprintf(stderr,
|
|
"Can't detach %s: %s (%d)\n",
|
|
argv[0],
|
|
reply->msg[0] ? reply->msg : strerror(reply->error),
|
|
reply->error);
|
|
checkupdates(); /* make sure we're updating */
|
|
}
|
|
|
|
static void
|
|
dorename(struct vinum_rename_msg *msg, const char *oldname, const char *name, int maxlen)
|
|
{
|
|
struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
|
|
|
|
if (strlen(name) > maxlen) {
|
|
fprintf(stderr, "%s is too long\n", name);
|
|
return;
|
|
}
|
|
strcpy(msg->newname, name);
|
|
ioctl(superdev, VINUM_RENAME, msg);
|
|
if (reply->error != 0)
|
|
fprintf(stderr,
|
|
"Can't rename %s to %s: %s (%d)\n",
|
|
oldname,
|
|
name,
|
|
reply->msg[0] ? reply->msg : strerror(reply->error),
|
|
reply->error);
|
|
}
|
|
|
|
/* Rename an object:
|
|
* rename <object> "newname"
|
|
*/
|
|
void
|
|
vinum_rename_2(char *oldname, char *newname)
|
|
{
|
|
struct vinum_rename_msg msg;
|
|
int volno;
|
|
int plexno;
|
|
|
|
msg.index = find_object(oldname, &msg.type); /* find the object to rename */
|
|
msg.recurse = recurse;
|
|
|
|
/* Ugh. Determine how long the name may be */
|
|
switch (msg.type) {
|
|
case drive_object:
|
|
dorename(&msg, oldname, newname, MAXDRIVENAME);
|
|
break;
|
|
|
|
case sd_object:
|
|
dorename(&msg, oldname, newname, MAXSDNAME);
|
|
break;
|
|
|
|
case plex_object:
|
|
plexno = msg.index;
|
|
dorename(&msg, oldname, newname, MAXPLEXNAME);
|
|
if (recurse) {
|
|
int sdno;
|
|
|
|
get_plex_info(&plex, plexno); /* find out who we are */
|
|
msg.type = sd_object;
|
|
for (sdno = 0; sdno < plex.subdisks; sdno++) {
|
|
char sdname[MAXPLEXNAME + 8];
|
|
|
|
get_plex_sd_info(&sd, plex.plexno, sdno); /* get info about the subdisk */
|
|
sprintf(sdname, "%s.s%d", newname, sdno);
|
|
msg.index = sd.sdno; /* number of the subdisk */
|
|
dorename(&msg, sd.name, sdname, MAXSDNAME);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case volume_object:
|
|
volno = msg.index;
|
|
dorename(&msg, oldname, newname, MAXVOLNAME);
|
|
if (recurse) {
|
|
int sdno;
|
|
int plexno;
|
|
|
|
get_volume_info(&vol, volno); /* find out who we are */
|
|
for (plexno = 0; plexno < vol.plexes; plexno++) {
|
|
char plexname[MAXVOLNAME + 8];
|
|
|
|
msg.type = plex_object;
|
|
sprintf(plexname, "%s.p%d", newname, plexno);
|
|
msg.index = vol.plex[plexno]; /* number of the plex */
|
|
dorename(&msg, plex.name, plexname, MAXPLEXNAME);
|
|
get_plex_info(&plex, vol.plex[plexno]); /* find out who we are */
|
|
msg.type = sd_object;
|
|
for (sdno = 0; sdno < plex.subdisks; sdno++) {
|
|
char sdname[MAXPLEXNAME + 8];
|
|
|
|
get_plex_sd_info(&sd, plex.plexno, sdno); /* get info about the subdisk */
|
|
sprintf(sdname, "%s.s%d", plexname, sdno);
|
|
msg.index = sd.sdno; /* number of the subdisk */
|
|
dorename(&msg, sd.name, sdname, MAXSDNAME);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr, "%s is not a Vinum object\n", oldname);
|
|
return;
|
|
}
|
|
}
|
|
|
|
void
|
|
vinum_rename(int argc, char *argv[], char *argv0[])
|
|
{
|
|
if (argc != 2) {
|
|
fprintf(stderr, "Usage: \trename <object> <new name>\n");
|
|
return;
|
|
}
|
|
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
|
|
vinum_perror("Can't get vinum config");
|
|
return;
|
|
}
|
|
vinum_rename_2(argv[0], argv[1]);
|
|
checkupdates(); /* make sure we're updating */
|
|
}
|
|
|
|
/*
|
|
* Move objects:
|
|
*
|
|
* mv <dest> <src> ...
|
|
*/
|
|
void
|
|
vinum_mv(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int i; /* loop index */
|
|
int srcobj;
|
|
int destobj;
|
|
enum objecttype srct;
|
|
enum objecttype destt;
|
|
int sdno;
|
|
struct _ioctl_reply reply;
|
|
struct vinum_ioctl_msg *msg = (struct vinum_ioctl_msg *) &reply;
|
|
|
|
if (argc < 2) {
|
|
fprintf(stderr, "Usage: \tmove <dest> <src> ...\n");
|
|
return;
|
|
}
|
|
/* Get current config */
|
|
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
|
|
vinum_perror("Cannot get vinum config\n");
|
|
return;
|
|
}
|
|
/* Get our destination */
|
|
destobj = find_object(argv[0], &destt);
|
|
if (destobj == -1) {
|
|
fprintf(stderr, "Can't find %s\n", argv[0]);
|
|
return;
|
|
}
|
|
/* Verify that the target is a drive */
|
|
if (destt != drive_object) {
|
|
fprintf(stderr, "%s is not a drive\n", argv[0]);
|
|
return;
|
|
}
|
|
for (i = 1; i < argc; i++) { /* for all the sources */
|
|
srcobj = find_object(argv[i], &srct);
|
|
if (srcobj == -1) {
|
|
fprintf(stderr, "Can't find %s\n", argv[i]);
|
|
continue;
|
|
}
|
|
msg->index = destobj;
|
|
switch (srct) { /* Handle the source object */
|
|
case drive_object: /* Move all subdisks on the drive to dst. */
|
|
get_drive_info(&drive, srcobj); /* get info on drive */
|
|
for (sdno = 0; sdno < vinum_conf.subdisks_allocated; ++sdno) {
|
|
get_sd_info(&sd, sdno);
|
|
if (sd.driveno == srcobj) {
|
|
msg->index = destobj;
|
|
msg->otherobject = sd.sdno;
|
|
if (ioctl(superdev, VINUM_MOVE, msg) < 0)
|
|
fprintf(stderr,
|
|
"Can't move %s (part of %s) to %s: %s (%d)\n",
|
|
sd.name,
|
|
drive.label.name,
|
|
argv[0],
|
|
strerror(reply.error),
|
|
reply.error);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case sd_object:
|
|
msg->otherobject = srcobj;
|
|
if (ioctl(superdev, VINUM_MOVE, msg) < 0)
|
|
fprintf(stderr,
|
|
"Can't move %s to %s: %s (%d)\n",
|
|
sd.name,
|
|
argv[0],
|
|
strerror(reply.error),
|
|
reply.error);
|
|
break;
|
|
|
|
case plex_object:
|
|
get_plex_info(&plex, srcobj);
|
|
for (sdno = 0; sdno < plex.subdisks; ++sdno) {
|
|
get_plex_sd_info(&sd, plex.plexno, sdno);
|
|
msg->index = destobj;
|
|
msg->otherobject = sd.sdno;
|
|
if (ioctl(superdev, VINUM_MOVE, msg) < 0)
|
|
fprintf(stderr,
|
|
"Can't move %s (part of %s) to %s: %s (%d)\n",
|
|
sd.name,
|
|
plex.name,
|
|
argv[0],
|
|
strerror(reply.error),
|
|
reply.error);
|
|
}
|
|
break;
|
|
|
|
case volume_object:
|
|
case invalid_object:
|
|
default:
|
|
fprintf(stderr, "Can't move %s (inappropriate object).\n", argv[i]);
|
|
break;
|
|
}
|
|
if (reply.error)
|
|
fprintf(stderr,
|
|
"Can't move %s to %s: %s (%d)\n",
|
|
argv[i],
|
|
argv[0],
|
|
strerror(reply.error),
|
|
reply.error);
|
|
}
|
|
checkupdates(); /* make sure we're updating */
|
|
}
|
|
|
|
/*
|
|
* Replace objects. Not implemented, may never be.
|
|
*/
|
|
void
|
|
vinum_replace(int argc, char *argv[], char *argv0[])
|
|
{
|
|
fprintf(stderr, "'replace' not implemented yet. Use 'move' instead\n");
|
|
}
|
|
|
|
/* Primitive help function */
|
|
void
|
|
vinum_help(int argc, char *argv[], char *argv0[])
|
|
{
|
|
char commands[] =
|
|
{
|
|
"COMMANDS\n"
|
|
"create [-f description-file]\n"
|
|
" Create a volume as described in description-file\n"
|
|
"attach plex volume [rename]\n"
|
|
"attach subdisk plex [offset] [rename]\n"
|
|
" Attach a plex to a volume, or a subdisk to a plex.\n"
|
|
"debug\n"
|
|
" Cause the volume manager to enter the kernel debugger.\n"
|
|
"debug flags\n"
|
|
" Set debugging flags.\n"
|
|
"detach [plex | subdisk]\n"
|
|
" Detach a plex or subdisk from the volume or plex to which it is\n"
|
|
" attached.\n"
|
|
"info [-v]\n"
|
|
" List information about volume manager state.\n"
|
|
"init [-v] [-w] plex\n"
|
|
" Initialize a plex by writing zeroes to all its subdisks.\n"
|
|
"label volume\n"
|
|
" Create a volume label\n"
|
|
"list [-r] [-s] [-v] [-V] [volume | plex | subdisk]\n"
|
|
" List information about specified objects\n"
|
|
"l [-r] [-s] [-v] [-V] [volume | plex | subdisk]\n"
|
|
" List information about specified objects (alternative to\n"
|
|
" list command)\n"
|
|
"ld [-r] [-s] [-v] [-V] [volume]\n"
|
|
" List information about drives\n"
|
|
"ls [-r] [-s] [-v] [-V] [subdisk]\n"
|
|
" List information about subdisks\n"
|
|
"lp [-r] [-s] [-v] [-V] [plex]\n"
|
|
" List information about plexes\n"
|
|
"lv [-r] [-s] [-v] [-V] [volume]\n"
|
|
" List information about volumes\n"
|
|
"printconfig [file]\n"
|
|
" Write a copy of the current configuration to file.\n"
|
|
"makedev\n"
|
|
" Remake the device nodes in " _PATH_DEV "vinum.\n"
|
|
"move drive [subdisk | plex | drive]\n"
|
|
" Move the subdisks of the specified object(s) to drive.\n"
|
|
"quit\n"
|
|
" Exit the vinum program when running in interactive mode. Nor-\n"
|
|
" mally this would be done by entering the EOF character.\n"
|
|
"read disk [disk...]\n"
|
|
" Read the vinum configuration from the specified disks.\n"
|
|
"rename [-r] [drive | subdisk | plex | volume] newname\n"
|
|
" Change the name of the specified object.\n"
|
|
"resetconfig\n"
|
|
" Reset the complete vinum configuration.\n"
|
|
"resetstats [-r] [volume | plex | subdisk]\n"
|
|
" Reset statistisc counters for the specified objects, or for all\n"
|
|
" objects if none are specified.\n"
|
|
"rm [-f] [-r] volume | plex | subdisk\n"
|
|
" Remove an object\n"
|
|
"saveconfig\n"
|
|
" Save vinum configuration to disk.\n"
|
|
"setdaemon [value]\n"
|
|
" Set daemon configuration.\n"
|
|
"start\n"
|
|
" Read configuration from all vinum drives.\n"
|
|
"start [volume | plex | subdisk]\n"
|
|
" Allow the system to access the objects\n"
|
|
"stop [-f] [volume | plex | subdisk]\n"
|
|
" Terminate access to the objects, or stop vinum if no parameters\n"
|
|
" are specified.\n"
|
|
};
|
|
puts(commands);
|
|
}
|
|
|
|
/* Set daemon options.
|
|
* XXX quick and dirty: use a bitmap, which requires
|
|
* knowing which bit does what. FIXME */
|
|
void
|
|
vinum_setdaemon(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int options;
|
|
|
|
switch (argc) {
|
|
case 0:
|
|
if (ioctl(superdev, VINUM_GETDAEMON, &options) < 0)
|
|
fprintf(stderr, "Can't get daemon options: %s (%d)\n", strerror(errno), errno);
|
|
else
|
|
printf("Options mask: %d\n", options);
|
|
break;
|
|
|
|
case 1:
|
|
options = atoi(argv[0]);
|
|
if (ioctl(superdev, VINUM_SETDAEMON, &options) < 0)
|
|
fprintf(stderr, "Can't set daemon options: %s (%d)\n", strerror(errno), errno);
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr, "Usage: \tsetdaemon [<bitmask>]\n");
|
|
}
|
|
checkupdates(); /* make sure we're updating */
|
|
}
|
|
|
|
int
|
|
checkupdates()
|
|
{
|
|
int options;
|
|
|
|
if (ioctl(superdev, VINUM_GETDAEMON, &options) < 0)
|
|
fprintf(stderr, "Can't get daemon options: %s (%d)\n", strerror(errno), errno);
|
|
if (options & daemon_noupdate) {
|
|
fprintf(stderr, "*** Warning: configuration updates are disabled. ***\n");
|
|
return 1;
|
|
} else
|
|
return 0;
|
|
}
|
|
|
|
/* Save config info */
|
|
void
|
|
vinum_saveconfig(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int ioctltype;
|
|
|
|
if (argc != 0) {
|
|
printf("Usage: saveconfig\n");
|
|
return;
|
|
}
|
|
ioctltype = 1; /* user saveconfig */
|
|
if (ioctl(superdev, VINUM_SAVECONFIG, &ioctltype) < 0)
|
|
fprintf(stderr, "Can't save configuration: %s (%d)\n", strerror(errno), errno);
|
|
checkupdates(); /* make sure we're updating */
|
|
}
|
|
|
|
/*
|
|
* Create a volume name for the quick and dirty
|
|
* commands. It will be of the form "vinum#",
|
|
* where # is a small positive number.
|
|
*/
|
|
void
|
|
genvolname()
|
|
{
|
|
int v; /* volume number */
|
|
static char volumename[MAXVOLNAME]; /* name to create */
|
|
enum objecttype type;
|
|
|
|
objectname = volumename; /* point to it */
|
|
for (v = 0;; v++) {
|
|
sprintf(objectname, "vinum%d", v); /* create the name */
|
|
if (find_object(objectname, &type) == -1) /* does it exist? */
|
|
return; /* no, it's ours */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a drive for the quick and dirty
|
|
* commands. The name will be of the form
|
|
* vinumdrive#, where # is a small positive
|
|
* number. Return the name of the drive.
|
|
*/
|
|
struct drive *
|
|
create_drive(char *devicename)
|
|
{
|
|
int d; /* volume number */
|
|
static char drivename[MAXDRIVENAME]; /* name to create */
|
|
enum objecttype type;
|
|
struct _ioctl_reply *reply;
|
|
|
|
/*
|
|
* We're never likely to get anything
|
|
* like 10000 drives. The only reason for
|
|
* this limit is to stop the thing
|
|
* looping if we have a bug somewhere.
|
|
*/
|
|
for (d = 0; d < 100000; d++) { /* look for a free drive number */
|
|
sprintf(drivename, "vinumdrive%d", d); /* create the name */
|
|
if (find_object(drivename, &type) == -1) { /* does it exist? */
|
|
char command[MAXDRIVENAME * 2];
|
|
|
|
sprintf(command, "drive %s device %s", drivename, devicename); /* create a create command */
|
|
if (vflag)
|
|
printf("drive %s device %s\n", drivename, devicename); /* create a create command */
|
|
ioctl(superdev, VINUM_CREATE, command);
|
|
reply = (struct _ioctl_reply *) &command;
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create drive %s, device %s: %s\n",
|
|
drivename,
|
|
devicename,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create drive %s, device %s: %s (%d)\n",
|
|
drivename,
|
|
devicename,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
find_object(drivename, &type);
|
|
return &drive; /* return the name of the drive */
|
|
}
|
|
}
|
|
fprintf(stderr, "Can't generate a drive name\n");
|
|
/* NOTREACHED */
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Create a volume with a single concatenated plex from
|
|
* as much space as we can get on the specified drives.
|
|
* If the drives aren't Vinum drives, make them so.
|
|
*/
|
|
void
|
|
vinum_concat(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int o; /* object number */
|
|
char buffer[BUFSIZE];
|
|
struct drive *drive; /* drive we're currently looking at */
|
|
struct _ioctl_reply *reply;
|
|
int ioctltype;
|
|
int error;
|
|
enum objecttype type;
|
|
|
|
reply = (struct _ioctl_reply *) &buffer;
|
|
if (ioctl(superdev, VINUM_STARTCONFIG, &force)) { /* can't get config? */
|
|
printf("Can't configure: %s (%d)\n", strerror(errno), errno);
|
|
return;
|
|
}
|
|
if (!objectname) /* we need a name for our object */
|
|
genvolname();
|
|
sprintf(buffer, "volume %s", objectname);
|
|
if (vflag)
|
|
printf("volume %s\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer); /* create the volume */
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
sprintf(buffer, "plex name %s.p0 org concat", objectname);
|
|
if (vflag)
|
|
printf(" plex name %s.p0 org concat\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p0: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p0: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
for (o = 0; o < argc; o++) {
|
|
if ((drive = find_drive_by_devname(argv[o])) == NULL) /* doesn't exist */
|
|
drive = create_drive(argv[o]); /* create it */
|
|
sprintf(buffer, "sd name %s.p0.s%d drive %s size 0", objectname, o, drive->label.name);
|
|
if (vflag)
|
|
printf(" sd name %s.p0.s%d drive %s size 0\n", objectname, o, drive->label.name);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p0.s%d: %s\n",
|
|
objectname,
|
|
o,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p0.s%d: %s (%d)\n",
|
|
objectname,
|
|
o,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
}
|
|
|
|
/* done, save the config */
|
|
ioctltype = 0; /* saveconfig after update */
|
|
error = ioctl(superdev, VINUM_SAVECONFIG, &ioctltype); /* save the config to disk */
|
|
if (error != 0)
|
|
vinum_perror("Can't save Vinum config");
|
|
find_object(objectname, &type); /* find the index of the volume */
|
|
make_vol_dev(vol.volno, 1); /* and create the devices */
|
|
if (vflag) {
|
|
vflag--; /* XXX don't give too much detail */
|
|
find_object(objectname, &type); /* point to the volume */
|
|
vinum_lvi(vol.volno, 1); /* and print info about it */
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Create a volume with a single striped plex from
|
|
* as much space as we can get on the specified drives.
|
|
* If the drives aren't Vinum drives, make them so.
|
|
*/
|
|
void
|
|
vinum_stripe(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int o; /* object number */
|
|
char buffer[BUFSIZE];
|
|
struct drive *drive; /* drive we're currently looking at */
|
|
struct _ioctl_reply *reply;
|
|
int ioctltype;
|
|
int error;
|
|
enum objecttype type;
|
|
off_t maxsize;
|
|
int fe; /* freelist entry index */
|
|
struct drive_freelist freelist;
|
|
struct ferq { /* request to pass to ioctl */
|
|
int driveno;
|
|
int fe;
|
|
} *ferq = (struct ferq *) &freelist;
|
|
u_int64_t bigchunk; /* biggest chunk in freelist */
|
|
|
|
maxsize = QUAD_MAX;
|
|
reply = (struct _ioctl_reply *) &buffer;
|
|
|
|
/*
|
|
* First, check our drives.
|
|
*/
|
|
if (argc < 2) {
|
|
fprintf(stderr, "You need at least two drives to create a striped plex\n");
|
|
return;
|
|
}
|
|
if (ioctl(superdev, VINUM_STARTCONFIG, &force)) { /* can't get config? */
|
|
printf("Can't configure: %s (%d)\n", strerror(errno), errno);
|
|
return;
|
|
}
|
|
if (!objectname) /* we need a name for our object */
|
|
genvolname();
|
|
for (o = 0; o < argc; o++) {
|
|
if ((drive = find_drive_by_devname(argv[o])) == NULL) /* doesn't exist */
|
|
drive = create_drive(argv[o]); /* create it */
|
|
/* Now find the largest chunk available on the drive */
|
|
bigchunk = 0; /* ain't found nothin' yet */
|
|
for (fe = 0; fe < drive->freelist_entries; fe++) {
|
|
ferq->driveno = drive->driveno;
|
|
ferq->fe = fe;
|
|
if (ioctl(superdev, VINUM_GETFREELIST, &freelist) < 0) {
|
|
fprintf(stderr,
|
|
"Can't get free list element %d: %s\n",
|
|
fe,
|
|
strerror(errno));
|
|
longjmp(command_fail, -1);
|
|
}
|
|
bigchunk = bigchunk > freelist.sectors ? bigchunk : freelist.sectors; /* max it */
|
|
}
|
|
maxsize = min(maxsize, bigchunk); /* this is as much as we can do */
|
|
}
|
|
|
|
/* Now create the volume */
|
|
sprintf(buffer, "volume %s", objectname);
|
|
if (vflag)
|
|
printf("volume %s\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer); /* create the volume */
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
sprintf(buffer, "plex name %s.p0 org striped 256k", objectname);
|
|
if (vflag)
|
|
printf(" plex name %s.p0 org striped 256k\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p0: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p0: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
for (o = 0; o < argc; o++) {
|
|
drive = find_drive_by_devname(argv[o]); /* we know it exists... */
|
|
sprintf(buffer,
|
|
"sd name %s.p0.s%d drive %s size %lldb",
|
|
objectname,
|
|
o,
|
|
drive->label.name,
|
|
(long long) maxsize);
|
|
if (vflag)
|
|
printf(" sd name %s.p0.s%d drive %s size %lldb\n",
|
|
objectname,
|
|
o,
|
|
drive->label.name,
|
|
(long long) maxsize);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p0.s%d: %s\n",
|
|
objectname,
|
|
o,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p0.s%d: %s (%d)\n",
|
|
objectname,
|
|
o,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
}
|
|
|
|
/* done, save the config */
|
|
ioctltype = 0; /* saveconfig after update */
|
|
error = ioctl(superdev, VINUM_SAVECONFIG, &ioctltype); /* save the config to disk */
|
|
if (error != 0)
|
|
vinum_perror("Can't save Vinum config");
|
|
find_object(objectname, &type); /* find the index of the volume */
|
|
make_vol_dev(vol.volno, 1); /* and create the devices */
|
|
if (vflag) {
|
|
vflag--; /* XXX don't give too much detail */
|
|
find_object(objectname, &type); /* point to the volume */
|
|
vinum_lvi(vol.volno, 1); /* and print info about it */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a volume with a single RAID-4 plex from
|
|
* as much space as we can get on the specified drives.
|
|
* If the drives aren't Vinum drives, make them so.
|
|
*/
|
|
void
|
|
vinum_raid4(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int o; /* object number */
|
|
char buffer[BUFSIZE];
|
|
struct drive *drive; /* drive we're currently looking at */
|
|
struct _ioctl_reply *reply;
|
|
int ioctltype;
|
|
int error;
|
|
enum objecttype type;
|
|
off_t maxsize;
|
|
int fe; /* freelist entry index */
|
|
struct drive_freelist freelist;
|
|
struct ferq { /* request to pass to ioctl */
|
|
int driveno;
|
|
int fe;
|
|
} *ferq = (struct ferq *) &freelist;
|
|
u_int64_t bigchunk; /* biggest chunk in freelist */
|
|
|
|
maxsize = QUAD_MAX;
|
|
reply = (struct _ioctl_reply *) &buffer;
|
|
|
|
/*
|
|
* First, check our drives.
|
|
*/
|
|
if (argc < 3) {
|
|
fprintf(stderr, "You need at least three drives to create a RAID-4 plex\n");
|
|
return;
|
|
}
|
|
if (ioctl(superdev, VINUM_STARTCONFIG, &force)) { /* can't get config? */
|
|
printf("Can't configure: %s (%d)\n", strerror(errno), errno);
|
|
return;
|
|
}
|
|
if (!objectname) /* we need a name for our object */
|
|
genvolname();
|
|
for (o = 0; o < argc; o++) {
|
|
if ((drive = find_drive_by_devname(argv[o])) == NULL) /* doesn't exist */
|
|
drive = create_drive(argv[o]); /* create it */
|
|
/* Now find the largest chunk available on the drive */
|
|
bigchunk = 0; /* ain't found nothin' yet */
|
|
for (fe = 0; fe < drive->freelist_entries; fe++) {
|
|
ferq->driveno = drive->driveno;
|
|
ferq->fe = fe;
|
|
if (ioctl(superdev, VINUM_GETFREELIST, &freelist) < 0) {
|
|
fprintf(stderr,
|
|
"Can't get free list element %d: %s\n",
|
|
fe,
|
|
strerror(errno));
|
|
longjmp(command_fail, -1);
|
|
}
|
|
bigchunk = bigchunk > freelist.sectors ? bigchunk : freelist.sectors; /* max it */
|
|
}
|
|
maxsize = min(maxsize, bigchunk); /* this is as much as we can do */
|
|
}
|
|
|
|
/* Now create the volume */
|
|
sprintf(buffer, "volume %s", objectname);
|
|
if (vflag)
|
|
printf("volume %s\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer); /* create the volume */
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
sprintf(buffer, "plex name %s.p0 org raid4 256k", objectname);
|
|
if (vflag)
|
|
printf(" plex name %s.p0 org raid4 256k\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p0: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p0: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
for (o = 0; o < argc; o++) {
|
|
drive = find_drive_by_devname(argv[o]); /* we know it exists... */
|
|
sprintf(buffer,
|
|
"sd name %s.p0.s%d drive %s size %lldb",
|
|
objectname,
|
|
o,
|
|
drive->label.name,
|
|
(long long) maxsize);
|
|
if (vflag)
|
|
printf(" sd name %s.p0.s%d drive %s size %lldb\n",
|
|
objectname,
|
|
o,
|
|
drive->label.name,
|
|
(long long) maxsize);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p0.s%d: %s\n",
|
|
objectname,
|
|
o,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p0.s%d: %s (%d)\n",
|
|
objectname,
|
|
o,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
}
|
|
|
|
/* done, save the config */
|
|
ioctltype = 0; /* saveconfig after update */
|
|
error = ioctl(superdev, VINUM_SAVECONFIG, &ioctltype); /* save the config to disk */
|
|
if (error != 0)
|
|
vinum_perror("Can't save Vinum config");
|
|
find_object(objectname, &type); /* find the index of the volume */
|
|
make_vol_dev(vol.volno, 1); /* and create the devices */
|
|
if (vflag) {
|
|
vflag--; /* XXX don't give too much detail */
|
|
find_object(objectname, &type); /* point to the volume */
|
|
vinum_lvi(vol.volno, 1); /* and print info about it */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a volume with a single RAID-4 plex from
|
|
* as much space as we can get on the specified drives.
|
|
* If the drives aren't Vinum drives, make them so.
|
|
*/
|
|
void
|
|
vinum_raid5(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int o; /* object number */
|
|
char buffer[BUFSIZE];
|
|
struct drive *drive; /* drive we're currently looking at */
|
|
struct _ioctl_reply *reply;
|
|
int ioctltype;
|
|
int error;
|
|
enum objecttype type;
|
|
off_t maxsize;
|
|
int fe; /* freelist entry index */
|
|
struct drive_freelist freelist;
|
|
struct ferq { /* request to pass to ioctl */
|
|
int driveno;
|
|
int fe;
|
|
} *ferq = (struct ferq *) &freelist;
|
|
u_int64_t bigchunk; /* biggest chunk in freelist */
|
|
|
|
maxsize = QUAD_MAX;
|
|
reply = (struct _ioctl_reply *) &buffer;
|
|
|
|
/*
|
|
* First, check our drives.
|
|
*/
|
|
if (argc < 3) {
|
|
fprintf(stderr, "You need at least three drives to create a RAID-5 plex\n");
|
|
return;
|
|
}
|
|
if (ioctl(superdev, VINUM_STARTCONFIG, &force)) { /* can't get config? */
|
|
printf("Can't configure: %s (%d)\n", strerror(errno), errno);
|
|
return;
|
|
}
|
|
if (!objectname) /* we need a name for our object */
|
|
genvolname();
|
|
for (o = 0; o < argc; o++) {
|
|
if ((drive = find_drive_by_devname(argv[o])) == NULL) /* doesn't exist */
|
|
drive = create_drive(argv[o]); /* create it */
|
|
/* Now find the largest chunk available on the drive */
|
|
bigchunk = 0; /* ain't found nothin' yet */
|
|
for (fe = 0; fe < drive->freelist_entries; fe++) {
|
|
ferq->driveno = drive->driveno;
|
|
ferq->fe = fe;
|
|
if (ioctl(superdev, VINUM_GETFREELIST, &freelist) < 0) {
|
|
fprintf(stderr,
|
|
"Can't get free list element %d: %s\n",
|
|
fe,
|
|
strerror(errno));
|
|
longjmp(command_fail, -1);
|
|
}
|
|
bigchunk = bigchunk > freelist.sectors ? bigchunk : freelist.sectors; /* max it */
|
|
}
|
|
maxsize = min(maxsize, bigchunk); /* this is as much as we can do */
|
|
}
|
|
|
|
/* Now create the volume */
|
|
sprintf(buffer, "volume %s", objectname);
|
|
if (vflag)
|
|
printf("volume %s\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer); /* create the volume */
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
sprintf(buffer, "plex name %s.p0 org raid5 256k", objectname);
|
|
if (vflag)
|
|
printf(" plex name %s.p0 org raid5 256k\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p0: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p0: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
for (o = 0; o < argc; o++) {
|
|
drive = find_drive_by_devname(argv[o]); /* we know it exists... */
|
|
sprintf(buffer,
|
|
"sd name %s.p0.s%d drive %s size %lldb",
|
|
objectname,
|
|
o,
|
|
drive->label.name,
|
|
(long long) maxsize);
|
|
if (vflag)
|
|
printf(" sd name %s.p0.s%d drive %s size %lldb\n",
|
|
objectname,
|
|
o,
|
|
drive->label.name,
|
|
(long long) maxsize);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p0.s%d: %s\n",
|
|
objectname,
|
|
o,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p0.s%d: %s (%d)\n",
|
|
objectname,
|
|
o,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
}
|
|
|
|
/* done, save the config */
|
|
ioctltype = 0; /* saveconfig after update */
|
|
error = ioctl(superdev, VINUM_SAVECONFIG, &ioctltype); /* save the config to disk */
|
|
if (error != 0)
|
|
vinum_perror("Can't save Vinum config");
|
|
find_object(objectname, &type); /* find the index of the volume */
|
|
make_vol_dev(vol.volno, 1); /* and create the devices */
|
|
if (vflag) {
|
|
vflag--; /* XXX don't give too much detail */
|
|
find_object(objectname, &type); /* point to the volume */
|
|
vinum_lvi(vol.volno, 1); /* and print info about it */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a volume with a two plexes from as much space
|
|
* as we can get on the specified drives. If the
|
|
* drives aren't Vinum drives, make them so.
|
|
*
|
|
* The number of drives must be even, and at least 4
|
|
* for a striped plex. Specify striped plexes with the
|
|
* -s flag; otherwise they will be concatenated. It's
|
|
* possible that the two plexes may differ in length.
|
|
*/
|
|
void
|
|
vinum_mirror(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int o; /* object number */
|
|
int p; /* plex number */
|
|
char buffer[BUFSIZE];
|
|
struct drive *drive; /* drive we're currently looking at */
|
|
struct _ioctl_reply *reply;
|
|
int ioctltype;
|
|
int error;
|
|
enum objecttype type;
|
|
off_t maxsize[2]; /* maximum subdisk size for striped plexes */
|
|
int fe; /* freelist entry index */
|
|
struct drive_freelist freelist;
|
|
struct ferq { /* request to pass to ioctl */
|
|
int driveno;
|
|
int fe;
|
|
} *ferq = (struct ferq *) &freelist;
|
|
u_int64_t bigchunk; /* biggest chunk in freelist */
|
|
|
|
if (sflag) /* striped, */
|
|
maxsize[0] = maxsize[1] = QUAD_MAX; /* we need to calculate sd size */
|
|
else
|
|
maxsize[0] = maxsize[1] = 0; /* let the kernel routines do it */
|
|
|
|
reply = (struct _ioctl_reply *) &buffer;
|
|
|
|
/*
|
|
* First, check our drives.
|
|
*/
|
|
if (argc & 1) {
|
|
fprintf(stderr, "You need an even number of drives to create a mirrored volume\n");
|
|
return;
|
|
}
|
|
if (sflag && (argc < 4)) {
|
|
fprintf(stderr, "You need at least 4 drives to create a mirrored, striped volume\n");
|
|
return;
|
|
}
|
|
if (ioctl(superdev, VINUM_STARTCONFIG, &force)) { /* can't get config? */
|
|
printf("Can't configure: %s (%d)\n", strerror(errno), errno);
|
|
return;
|
|
}
|
|
if (!objectname) /* we need a name for our object */
|
|
genvolname();
|
|
for (o = 0; o < argc; o++) {
|
|
if ((drive = find_drive_by_devname(argv[o])) == NULL) /* doesn't exist */
|
|
drive = create_drive(argv[o]); /* create it */
|
|
if (sflag) { /* striping, */
|
|
/* Find the largest chunk available on the drive */
|
|
bigchunk = 0; /* ain't found nothin' yet */
|
|
for (fe = 0; fe < drive->freelist_entries; fe++) {
|
|
ferq->driveno = drive->driveno;
|
|
ferq->fe = fe;
|
|
if (ioctl(superdev, VINUM_GETFREELIST, &freelist) < 0) {
|
|
fprintf(stderr,
|
|
"Can't get free list element %d: %s\n",
|
|
fe,
|
|
strerror(errno));
|
|
longjmp(command_fail, -1);
|
|
}
|
|
bigchunk = bigchunk > freelist.sectors ? bigchunk : freelist.sectors; /* max it */
|
|
}
|
|
maxsize[o & 1] = min(maxsize[o & 1], bigchunk); /* get the maximum size of a subdisk */
|
|
}
|
|
}
|
|
|
|
/* Now create the volume */
|
|
sprintf(buffer, "volume %s setupstate", objectname);
|
|
if (vflag)
|
|
printf("volume %s setupstate\n", objectname);
|
|
ioctl(superdev, VINUM_CREATE, buffer); /* create the volume */
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s\n",
|
|
objectname,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create volume %s: %s (%d)\n",
|
|
objectname,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
for (p = 0; p < 2; p++) { /* create each plex */
|
|
if (sflag) {
|
|
sprintf(buffer, "plex name %s.p%d org striped 256k", objectname, p);
|
|
if (vflag)
|
|
printf(" plex name %s.p%d org striped 256k\n", objectname, p);
|
|
} else { /* concat */
|
|
sprintf(buffer, "plex name %s.p%d org concat", objectname, p);
|
|
if (vflag)
|
|
printf(" plex name %s.p%d org concat\n", objectname, p);
|
|
}
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p%d: %s\n",
|
|
objectname,
|
|
p,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create plex %s.p%d: %s (%d)\n",
|
|
objectname,
|
|
p,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
/* Now look at the subdisks */
|
|
for (o = p; o < argc; o += 2) { /* every second one */
|
|
drive = find_drive_by_devname(argv[o]); /* we know it exists... */
|
|
sprintf(buffer,
|
|
"sd name %s.p%d.s%d drive %s size %lldb",
|
|
objectname,
|
|
p,
|
|
o >> 1,
|
|
drive->label.name,
|
|
(long long) maxsize[p]);
|
|
if (vflag)
|
|
printf(" sd name %s.p%d.s%d drive %s size %lldb\n",
|
|
objectname,
|
|
p,
|
|
o >> 1,
|
|
drive->label.name,
|
|
(long long) maxsize[p]);
|
|
ioctl(superdev, VINUM_CREATE, buffer);
|
|
if (reply->error != 0) { /* error in config */
|
|
if (reply->msg[0])
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p%d.s%d: %s\n",
|
|
objectname,
|
|
p,
|
|
o >> 1,
|
|
reply->msg);
|
|
else
|
|
fprintf(stderr,
|
|
"Can't create subdisk %s.p%d.s%d: %s (%d)\n",
|
|
objectname,
|
|
p,
|
|
o >> 1,
|
|
strerror(reply->error),
|
|
reply->error);
|
|
longjmp(command_fail, -1); /* give up */
|
|
}
|
|
}
|
|
}
|
|
|
|
/* done, save the config */
|
|
ioctltype = 0; /* saveconfig after update */
|
|
error = ioctl(superdev, VINUM_SAVECONFIG, &ioctltype); /* save the config to disk */
|
|
if (error != 0)
|
|
vinum_perror("Can't save Vinum config");
|
|
find_object(objectname, &type); /* find the index of the volume */
|
|
make_vol_dev(vol.volno, 1); /* and create the devices */
|
|
if (vflag) {
|
|
vflag--; /* XXX don't give too much detail */
|
|
sflag = 0; /* no stats, please */
|
|
find_object(objectname, &type); /* point to the volume */
|
|
vinum_lvi(vol.volno, 1); /* and print info about it */
|
|
}
|
|
}
|
|
|
|
void
|
|
vinum_readpol(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int object;
|
|
struct _ioctl_reply reply;
|
|
struct vinum_ioctl_msg *message = (struct vinum_ioctl_msg *) &reply;
|
|
enum objecttype type;
|
|
struct plex plex;
|
|
struct volume vol;
|
|
int plexno;
|
|
|
|
if (argc == 0) { /* start everything */
|
|
fprintf(stderr, "Usage: readpol <volume> <plex>|round\n");
|
|
return;
|
|
}
|
|
object = find_object(argv[1], &type); /* look for it */
|
|
if (type != volume_object) {
|
|
fprintf(stderr, "%s is not a volume\n", argv[1]);
|
|
return;
|
|
}
|
|
get_volume_info(&vol, object);
|
|
if (strcmp(argv[2], "round")) { /* not 'round' */
|
|
object = find_object(argv[2], &type); /* look for it */
|
|
if (type != plex_object) {
|
|
fprintf(stderr, "%s is not a plex\n", argv[2]);
|
|
return;
|
|
}
|
|
get_plex_info(&plex, object);
|
|
plexno = plex.plexno;
|
|
} else /* round */
|
|
plexno = -1;
|
|
|
|
/* Set the value */
|
|
message->index = vol.volno;
|
|
message->otherobject = plexno;
|
|
if (ioctl(superdev, VINUM_READPOL, message) < 0)
|
|
fprintf(stderr, "Can't set read policy: %s (%d)\n", strerror(errno), errno);
|
|
if (vflag)
|
|
vinum_lpi(plexno, recurse);
|
|
}
|
|
|
|
/*
|
|
* Brute force set state function. Don't look at
|
|
* any dependencies, just do it.
|
|
*/
|
|
void
|
|
vinum_setstate(int argc, char *argv[], char *argv0[])
|
|
{
|
|
int object;
|
|
struct _ioctl_reply reply;
|
|
struct vinum_ioctl_msg *message = (struct vinum_ioctl_msg *) &reply;
|
|
int index;
|
|
enum objecttype type;
|
|
int state;
|
|
|
|
for (index = 1; index < argc; index++) {
|
|
object = find_object(argv[index], &type); /* look for it */
|
|
if (type == invalid_object)
|
|
fprintf(stderr, "Can't find object: %s\n", argv[index]);
|
|
else {
|
|
int doit = 0; /* set to 1 if we pass our tests */
|
|
switch (type) {
|
|
case drive_object:
|
|
state = DriveState(argv[0]); /* get the state */
|
|
if (drive.state == state) /* already in that state */
|
|
fprintf(stderr, "%s is already %s\n", drive.label.name, argv[0]);
|
|
else
|
|
doit = 1;
|
|
break;
|
|
|
|
case sd_object:
|
|
state = SdState(argv[0]); /* get the state */
|
|
if (sd.state == state) /* already in that state */
|
|
fprintf(stderr, "%s is already %s\n", sd.name, argv[0]);
|
|
else
|
|
doit = 1;
|
|
break;
|
|
|
|
case plex_object:
|
|
state = PlexState(argv[0]); /* get the state */
|
|
if (plex.state == state) /* already in that state */
|
|
fprintf(stderr, "%s is already %s\n", plex.name, argv[0]);
|
|
else
|
|
doit = 1;
|
|
break;
|
|
|
|
case volume_object:
|
|
state = VolState(argv[0]); /* get the state */
|
|
if (vol.state == state) /* already in that state */
|
|
fprintf(stderr, "%s is already %s\n", vol.name, argv[0]);
|
|
else
|
|
doit = 1;
|
|
break;
|
|
|
|
default:
|
|
state = 0; /* to keep the compiler happy */
|
|
}
|
|
|
|
if (state == -1)
|
|
fprintf(stderr, "Invalid state for object: %s\n", argv[0]);
|
|
else if (doit) {
|
|
message->index = object; /* pass object number */
|
|
message->type = type; /* and type of object */
|
|
message->state = state;
|
|
message->force = force; /* don't force it, use a larger hammer */
|
|
ioctl(superdev, VINUM_SETSTATE_FORCE, message);
|
|
if (reply.error != 0)
|
|
fprintf(stderr,
|
|
"Can't start %s: %s (%d)\n",
|
|
argv[index],
|
|
reply.msg[0] ? reply.msg : strerror(reply.error),
|
|
reply.error);
|
|
if (Verbose)
|
|
vinum_li(object, type);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
vinum_checkparity(int argc, char *argv[], char *argv0[])
|
|
{
|
|
Verbose = vflag; /* accept -v for verbose */
|
|
if (argc == 0) /* no parameters? */
|
|
fprintf(stderr, "Usage: checkparity object [object...]\n");
|
|
else
|
|
parityops(argc, argv, checkparity);
|
|
}
|
|
|
|
void
|
|
vinum_rebuildparity(int argc, char *argv[], char *argv0[])
|
|
{
|
|
if (argc == 0) /* no parameters? */
|
|
fprintf(stderr, "Usage: rebuildparity object [object...]\n");
|
|
else
|
|
parityops(argc, argv, vflag ? rebuildandcheckparity : rebuildparity);
|
|
}
|
|
|
|
/*
|
|
* Common code for rebuildparity and checkparity.
|
|
* We bend the meanings of some flags here:
|
|
*
|
|
* -v: Report incorrect parity on rebuild.
|
|
* -V: Show running count of position being checked.
|
|
* -f: Start from beginning of the plex.
|
|
*/
|
|
void
|
|
parityops(int argc, char *argv[], enum parityop op)
|
|
{
|
|
int object;
|
|
struct plex plex;
|
|
struct _ioctl_reply reply;
|
|
struct vinum_ioctl_msg *message = (struct vinum_ioctl_msg *) &reply;
|
|
int index;
|
|
enum objecttype type;
|
|
char *msg;
|
|
off_t block;
|
|
|
|
if (op == checkparity)
|
|
msg = "Checking";
|
|
else
|
|
msg = "Rebuilding";
|
|
for (index = 0; index < argc; index++) {
|
|
object = find_object(argv[index], &type); /* look for it */
|
|
if (type != plex_object)
|
|
fprintf(stderr, "%s is not a plex\n", argv[index]);
|
|
else {
|
|
get_plex_info(&plex, object);
|
|
if (!isparity((&plex)))
|
|
fprintf(stderr, "%s is not a RAID-4 or RAID-5 plex\n", argv[index]);
|
|
else {
|
|
do {
|
|
message->index = object; /* pass object number */
|
|
message->type = type; /* and type of object */
|
|
message->op = op; /* what to do */
|
|
if (force)
|
|
message->offset = 0; /* start at the beginning */
|
|
else
|
|
message->offset = plex.checkblock; /* continue where we left off */
|
|
force = 0; /* don't reset after the first time */
|
|
ioctl(superdev, VINUM_PARITYOP, message);
|
|
get_plex_info(&plex, object);
|
|
if (Verbose) {
|
|
block = (plex.checkblock << DEV_BSHIFT) * (plex.subdisks - 1);
|
|
if (block != 0)
|
|
printf("\r%s at %s (%d%%) ",
|
|
msg,
|
|
roughlength(block, 1),
|
|
((int) (block * 100 / plex.length) >> DEV_BSHIFT));
|
|
if ((reply.error == EAGAIN)
|
|
&& (reply.msg[0])) /* got a comment back */
|
|
fputs(reply.msg, stderr); /* show it */
|
|
fflush(stdout);
|
|
}
|
|
}
|
|
while (reply.error == EAGAIN);
|
|
if (reply.error != 0) {
|
|
if (reply.msg[0])
|
|
fputs(reply.msg, stderr);
|
|
else
|
|
fprintf(stderr,
|
|
"%s failed: %s\n",
|
|
msg,
|
|
strerror(reply.error));
|
|
} else if (Verbose) {
|
|
if (op == checkparity)
|
|
fprintf(stderr, "%s has correct parity\n", argv[index]);
|
|
else
|
|
fprintf(stderr, "Rebuilt parity on %s\n", argv[index]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Local Variables: */
|
|
/* fill-column: 50 */
|
|
/* End: */
|