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| author | NeilBrown <neilb@suse.de> | 2006-01-06 00:20:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:34:09 -0800 |
| commit | 014236d2b8ec6faea2a6134ab8e019d84d67b524 (patch) | |
| tree | 80f655fe0631f56544b96f2b9750f93e327b23de /Documentation/md.txt | |
| parent | 2bf071bf50580380a8c3afe5eef8152a66be96c7 (diff) | |
| download | lwn-014236d2b8ec6faea2a6134ab8e019d84d67b524.tar.gz lwn-014236d2b8ec6faea2a6134ab8e019d84d67b524.zip | |
[PATCH] md: expose device slot information via sysfs
This the role that a device has in an array can be viewed and set.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/md.txt b/Documentation/md.txt index 69f742dee00f..d525fffc873b 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt @@ -236,6 +236,14 @@ Each directory contains: providing an ongoing count for arrays with metadata managed by userspace. + slot + This gives the role that the device has in the array. It will + either be 'none' if the device is not active in the array + (i.e. is a spare or has failed) or an integer less than the + 'raid_disks' number for the array indicating which possition + it currently fills. This can only be set while assembling an + array. A device for which this is set is assumed to be working. + An active md device will also contain and entry for each active device in the array. These are named |