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authorRich Ercolani <[email protected]>2016-07-08 16:51:50 -0400
committerBrian Behlendorf <[email protected]>2016-08-15 09:52:56 -0700
commit6d836e6f8b358270d55a57ad8e8868c957f15bf3 (patch)
tree5ffe235fe3b07ba1f339654181fec361d156cead /man
parente35c5a8265e791d5856ef24e567cde5879844dc5 (diff)
Add tunable to ignore hole_birth
Adds a module option which disables the hole_birth optimization which has been responsible for several recent bugs, including issue #4050. Original-patch: https://gist.github.com/pcd1193182/2c0cd47211f3aee623958b4698836c48 Signed-off-by: Rich Ercolani <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #4833
Diffstat (limited to 'man')
-rw-r--r--man/man5/zfs-module-parameters.513
1 files changed, 13 insertions, 0 deletions
diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5
index 41fc20deb..3e62a4436 100644
--- a/man/man5/zfs-module-parameters.5
+++ b/man/man5/zfs-module-parameters.5
@@ -27,6 +27,19 @@ Description of the different parameters to the ZFS module.
.sp
.ne 2
.na
+\fBignore_hole_birth\fR (int)
+.ad
+.RS 12n
+When set, the hole_birth optimization will not be used, and all holes will
+always be sent on zfs send. Useful if you suspect your datasets are affected
+by a bug in hole_birth.
+.sp
+Use \fB1\fR for on and \fB0\fR (default) for off.
+.RE
+
+.sp
+.ne 2
+.na
\fBl2arc_feed_again\fR (int)
.ad
.RS 12n