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| author | NeilBrown <neilb@suse.de> | 2006-06-26 00:28:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 09:58:40 -0700 |
| commit | f655675b3fe09c4d0506d357527fe07544623009 (patch) | |
| tree | 969a798b6ba25b88f08b0f9cfe1aed323be81d3e /Documentation/md.txt | |
| parent | a94213b1fa7b26dcc271bf4b4f9eebf1f1af33a2 (diff) | |
| download | linux-3.10-f655675b3fe09c4d0506d357527fe07544623009.tar.gz linux-3.10-f655675b3fe09c4d0506d357527fe07544623009.tar.bz2 linux-3.10-f655675b3fe09c4d0506d357527fe07544623009.zip | |
[PATCH] md: Allow the write_mostly flag to be set via sysfs
It appears in /sys/mdX/md/dev-YYY/state
and can be set or cleared by writing 'writemostly' or '-writemostly'
respectively.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/md.txt')
| -rw-r--r-- | Documentation/md.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/md.txt b/Documentation/md.txt index f3d418ba625..0668f9dc9d2 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt @@ -309,6 +309,9 @@ Each directory contains: faulty - device has been kicked from active use due to a detected fault in_sync - device is a fully in-sync member of the array + writemostly - device will only be subject to read + requests if there are no other options. + This applies only to raid1 arrays. spare - device is working, but not a full member. This includes spares that are in the process of being recoverred to @@ -316,6 +319,8 @@ Each directory contains: This can be written to. Writing "faulty" simulates a failure on the device. Writing "remove" removes the device from the array. + Writing "writemostly" sets the writemostly flag. + Writing "-writemostly" clears the writemostly flag. errors An approximate count of read errors that have been detected on |