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Illumos 5161 - add tunable for number of metaslabs per vdev

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5161 add tunable for number of metaslabs per vdev
Reviewed by: Alex Reece <alex.reece@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Paul Dagnelie <paul.dagnelie@delphix.com>
Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com>
Reviewed by: Richard Elling <richard.elling@gmail.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

References:
  https://www.illumos.org/issues/5161
  https://github.com/illumos/illumos-gate/commit/bf3e216

Ported by: Turbo Fredriksson <turbo@bayour.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2698
This commit is contained in:
Matthew Ahrens
2014-09-13 16:13:00 +02:00
committed by Brian Behlendorf
parent ebcf49365a
commit b8bcca18f7
2 changed files with 24 additions and 2 deletions
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man/man5/zfs-module-parameters.5
+11
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@@ -179,6 +179,17 @@ Enable use of the fragmentation metric in computing metaslab weights.
Use \fB1\fR for yes (default) and \fB0\fR for no.
.RE
.sp
.ne 2
.na
\fBmetaslabs_per_vdev\fR (int)
.ad
.RS 12n
When a vdev is added, it will be divided into approximately (but no more than) this number of metaslabs.
.sp
Default value: \fB200\fR.
.RE
.sp
.ne 2
.na