Add support for controlling mfi(4) controller properties:
allow user control of rebuild rate allow user control of silence/enable alarm MFC after: 2 weeks Sponsored by: Yahoo! Inc.
This commit is contained in:
Sean Bruno
parent
29b5dbe844
commit
ee7a2acac5
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@ -2,7 +2,8 @@
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PROG= mfiutil
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SRCS= mfiutil.c mfi_bbu.c mfi_cmd.c mfi_config.c mfi_drive.c mfi_evt.c \
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mfi_flash.c mfi_patrol.c mfi_show.c mfi_volume.c mfi_foreign.c
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mfi_flash.c mfi_patrol.c mfi_show.c mfi_volume.c mfi_foreign.c \
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mfi_properties.c
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MAN8= mfiutil.8
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CFLAGS+= -fno-builtin-strftime
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@ -0,0 +1,171 @@
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/*-
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* Copyright (c) 2013 Yahoo!, Inc.
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*
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* $FreeBSD$
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*/
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/uio.h>
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#include <err.h>
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#include <fcntl.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 <unistd.h>
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#include "mfiutil.h"
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#include <dev/mfi/mfi_ioctl.h>
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MFI_TABLE(top, ctrlprop);
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static int
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mfi_ctrl_get_properties(int fd, struct mfi_ctrl_props *info)
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{
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return (mfi_dcmd_command(fd, MFI_DCMD_CTRL_GET_PROPS, info,
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sizeof(struct mfi_ctrl_props), NULL, 0, NULL));
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}
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static int
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mfi_ctrl_set_properties(int fd, struct mfi_ctrl_props *info)
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{
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return (mfi_dcmd_command(fd, MFI_DCMD_CTRL_SET_PROPS, info,
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sizeof(struct mfi_ctrl_props), NULL, 0, NULL));
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}
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/*
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* aquite the controller properties data structure modify the
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* rebuild rate if requested and then retun
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*/
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static int
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mfi_ctrl_rebuild_rate(int ac, char **av)
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{
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int error, fd;
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struct mfi_ctrl_props ctrl_props;
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if (ac > 2) {
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warn("mfi_ctrl_set_rebuild_rate");
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return(-1);
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}
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fd = mfi_open(mfi_unit, O_RDWR);
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if (fd < 0) {
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error = errno;
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warn("mfi_open");
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return (error);
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}
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error = mfi_ctrl_get_properties(fd, &ctrl_props);
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if ( error < 0) {
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error = errno;
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warn("Failed to get controller properties");
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close(fd);
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return (error);
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}
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/*
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* User requested a change to the rebuild rate
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*/
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if (ac > 1) {
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ctrl_props.rebuild_rate = atoi(av[ac - 1]);
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error = mfi_ctrl_set_properties(fd, &ctrl_props);
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if ( error < 0) {
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error = errno;
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warn("Failed to set controller properties");
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close(fd);
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return (error);
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}
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error = mfi_ctrl_get_properties(fd, &ctrl_props);
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if ( error < 0) {
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error = errno;
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warn("Failed to get controller properties");
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close(fd);
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return (error);
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}
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}
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printf ("controller rebuild rate: %%%u \n",
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ctrl_props.rebuild_rate);
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return (0);
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}
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MFI_COMMAND(ctrlprop, rebuild, mfi_ctrl_rebuild_rate);
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static int
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mfi_ctrl_alarm_enable(int ac, char **av)
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{
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int error, fd;
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struct mfi_ctrl_props ctrl_props;
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if (ac > 2) {
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warn("mfi_ctrl_alarm_enable");
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return(-1);
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}
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fd = mfi_open(mfi_unit, O_RDWR);
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if (fd < 0) {
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error = errno;
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warn("mfi_open");
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return (error);
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}
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error = mfi_ctrl_get_properties(fd, &ctrl_props);
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if ( error < 0) {
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error = errno;
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warn("Failed to get controller properties");
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close(fd);
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return (error);
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}
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printf ("controller alarm was : %s\n",
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(ctrl_props.alarm_enable ? "enabled" : "disabled"));
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if (ac > 1) {
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ctrl_props.alarm_enable = atoi(av[ac - 1]);
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error = mfi_ctrl_set_properties(fd, &ctrl_props);
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if ( error < 0) {
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error = errno;
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warn("Failed to set controller properties");
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close(fd);
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return (error);
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}
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error = mfi_ctrl_get_properties(fd, &ctrl_props);
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if ( error < 0) {
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error = errno;
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warn("Failed to get controller properties");
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close(fd);
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return (error);
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}
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}
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printf ("controller alarm was : %s\n",
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(ctrl_props.alarm_enable ? "enabled" : "disabled"));
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return (0);
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}
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MFI_COMMAND(ctrlprop, alarm, mfi_ctrl_alarm_enable);
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@ -168,6 +168,12 @@
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.Nm
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.Op Fl u Ar unit
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.Cm bbu Ar setting Ar value
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.Nm
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.Op Fl u Ar unit
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.Cm ctrlprop Ar rebuild Op Ar rate
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.Nm
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.Op Fl u Ar unit
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.Cm ctrlprop Ar alarm Op Ar 0/1
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.Sh DESCRIPTION
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The
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.Nm
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@ -659,6 +665,12 @@ inclusive.
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Modes 1, 2 and 3 enable a transparent learn cycle, whereas modes 4 and 5 do not.
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The BBU's data retention time is greater when transparent learning is not used.
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.El
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.It Cm ctrlprop Ar rebuild Op Ar rate
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With no arguments display the rate of rebuild (percentage)a for volumes.
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With an integer argument (0-100), set that value as the new rebuild rate for volumes.
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.It Cm ctrlprop Ar alarm Op Ar 0/1
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With no arguments display the current alarm enable/disable status.
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With a 0, disable alarms. With a 1, enable alarms.
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.El
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.Sh EXAMPLES
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Configure the cache for volume mfid0 to cache only writes:
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@ -699,6 +711,10 @@ patrol read starting in 5 minutes:
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Display the second detected foreign configuration:
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.Pp
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.Dl Nm Cm show foreign 1
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.Pp
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Set the current rebuild rate for volumes to 40%:
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.Dl Nm Cm ctrlprop rebuild 40
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.Pp
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.Sh SEE ALSO
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.Xr mfi 4
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.Sh HISTORY
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@ -93,6 +93,8 @@ usage(void)
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fprintf(stderr, " flash <firmware>\n");
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fprintf(stderr, " start learn - start a BBU relearn\n");
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fprintf(stderr, " bbu <setting> <value> - set BBU properties\n");
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fprintf(stderr, " ctrlprop rebuild [rate] - get/set the volume rebuild rate\n");
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fprintf(stderr, " ctrlprop alarm [0/1] - enable/disable controller alarms\n");
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#ifdef DEBUG
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fprintf(stderr, " debug - debug 'show config'\n");
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fprintf(stderr, " dump - display 'saved' config\n");
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