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| author | mm <mm@FreeBSD.org> | 2013-02-06 08:29:00 +0000 |
|---|---|---|
| committer | mm <mm@FreeBSD.org> | 2013-02-06 08:29:00 +0000 |
| commit | 7898655cb728e5ea7dd92f166ccd00463319ed1d (patch) | |
| tree | 4db8bea0b8335850f74e1f5b6f22b967bb5b53e1 | |
| parent | 78c7f6de8720de1f612bdc626f6be3f27a6f2aae (diff) | |
| download | FreeBSD-src-7898655cb728e5ea7dd92f166ccd00463319ed1d.zip FreeBSD-src-7898655cb728e5ea7dd92f166ccd00463319ed1d.tar.gz | |
Update vendor-sys/illumos/dist to illumos-gate version 13945:7a9c1d41dfbe
Illumos ZFS issues:
3507 Tunable to allow block allocation even on degraded vdevs
| -rw-r--r-- | uts/common/fs/zfs/metaslab.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/uts/common/fs/zfs/metaslab.c b/uts/common/fs/zfs/metaslab.c index 6449788..ceb7c6f 100644 --- a/uts/common/fs/zfs/metaslab.c +++ b/uts/common/fs/zfs/metaslab.c @@ -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> @@ -91,6 +92,11 @@ 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 @@ top: /* * 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; } |
