mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-18 10:35:55 +00:00
Code Issues Releases Activity

Update vendor-sys/illumos/dist to illumos-gate version 13945:7a9c1d41dfbe

Browse Source 
Illumos ZFS issues:
  3507 Tunable to allow block allocation even on degraded vdevs
This commit is contained in:
Martin Matuska 2013-02-06 08:29:00 +00:00
parent dbfa74b7cc
commit 98d50a301a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor-sys/illumos/dist/; revision=246394
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
uts/common/fs/zfs/metaslab.c
View File

@ -21,6 +21,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012 by Delphix. All rights reserved.
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
*/
#include <sys/zfs_context.h>
@ -90,6 +91,11 @@ int metaslab_prefetch_limit = SPA_DVAS_PER_BP;
*/
int metaslab_smo_bonus_pct = 150;
/*
* Should we be willing to write data to degraded vdevs?
*/
boolean_t zfs_write_to_degraded = B_FALSE;
/*
* ==========================================================================
* Metaslab classes
@ -1377,10 +1383,13 @@ metaslab_alloc_dva(spa_t *spa, metaslab_class_t *mc, uint64_t psize,
/*
* Avoid writing single-copy data to a failing vdev
* unless the user instructs us that it is okay.
*/
if ((vd->vdev_stat.vs_write_errors > 0 ||
vd->vdev_state < VDEV_STATE_HEALTHY) &&
d == 0 && dshift == 3) {
d == 0 && dshift == 3 &&
!(zfs_write_to_degraded && vd->vdev_state ==
VDEV_STATE_DEGRADED)) {
all_zero = B_FALSE;
goto next;
}