diff options
| author | George Wilson <[email protected]> | 2013-10-04 14:13:23 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2013-11-05 12:25:44 -0800 |
| commit | 43a696ed38cae25ec2d7b6466ab4a99eb86df7bd (patch) | |
| tree | 375da447e71ad1c004914b7eb93bf80a837a41bd /module/zfs/metaslab.c | |
| parent | 92bc214c2e00bd4a430eac1629f1bcf2fc590d51 (diff) | |
Illumos #4168, #4169, #4170
4168 ztest assertion failure in dbuf_undirty
4169 verbatim import causes zdb to segfault
4170 zhack leaves pool in ACTIVE state
Reviewed by: Adam Leventhal <[email protected]>
Reviewed by: Eric Schrock <[email protected]>
Reviewed by: Matthew Ahrens <[email protected]>
Approved by: Dan McDonald <[email protected]>
References:
https://www.illumos.org/issues/4168
https://www.illumos.org/issues/4169
https://www.illumos.org/issues/4170
illumos/illumos-gate@7fdd916c474ea52896c671bbe7b56ba34a1ca132
Ported-by: Richard Yao <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Issue #1775
Diffstat (limited to 'module/zfs/metaslab.c')
| -rw-r--r-- | module/zfs/metaslab.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c index f01a8893e..f49a8adc6 100644 --- a/module/zfs/metaslab.c +++ b/module/zfs/metaslab.c @@ -118,6 +118,11 @@ 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 * ========================================================================== @@ -1725,10 +1730,13 @@ 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; } |