diff options
author | Rich Ercolani <[email protected]> | 2016-07-08 16:51:50 -0400 |
---|---|---|
committer | Brian Behlendorf <[email protected]> | 2016-08-15 09:52:56 -0700 |
commit | 6d836e6f8b358270d55a57ad8e8868c957f15bf3 (patch) | |
tree | 5ffe235fe3b07ba1f339654181fec361d156cead /man | |
parent | e35c5a8265e791d5856ef24e567cde5879844dc5 (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.5 | 13 |
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 |