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Illumos #3954, #4080, #4081

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3954 metaslabs continue to load even after hitting zfs_mg_alloc_failure limit
4080 zpool clear fails to clear pool
4081 need zfs_mg_noalloc_threshold
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

References:
  https://www.illumos.org/issues/3954
  https://www.illumos.org/issues/4080
  https://www.illumos.org/issues/4081
  illumos/illumos-gate@22e30981d8

Ported-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1775
This commit is contained in:
George Wilson
2013-08-29 10:56:49 -08:00
committed by Brian Behlendorf
parent a169a625a6
commit ac72fac3ea
4 changed files with 117 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/zio.c
+3 -2
View File
@@ -227,7 +227,8 @@ zio_init(void)
* The zio write taskqs have 1 thread per cpu, allow 1/2 of the taskqs
* to fail 3 times per txg or 8 failures, whichever is greater.
*/
zfs_mg_alloc_failures = MAX((3 * max_ncpus / 2), 8);
if (zfs_mg_alloc_failures == 0)
zfs_mg_alloc_failures = MAX((3 * max_ncpus / 2), 8);
zio_inject_init();
@@ -2518,7 +2519,7 @@ zio_alloc_zil(spa_t *spa, uint64_t txg, blkptr_t *new_bp, uint64_t size,
if (error) {
error = metaslab_alloc(spa, spa_normal_class(spa), size,
new_bp, 1, txg, NULL,
METASLAB_FASTWRITE | METASLAB_GANG_AVOID);
METASLAB_FASTWRITE);
}
if (error == 0) {