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| author | NeilBrown <neilb@suse.de> | 2006-01-06 09:21:16 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 17:34:10 +0100 |
| commit | 6d7ff7380b2e28c2807da3bf9fa614d91d15bacf (patch) | |
| tree | 1f995a4f047a041c86b52efe0db221c76c7d0327 /Documentation/md.txt | |
| parent | [PATCH] md: allow available size of component devices to be set via sysfs (diff) | |
| download | linux-6d7ff7380b2e28c2807da3bf9fa614d91d15bacf.tar.xz linux-6d7ff7380b2e28c2807da3bf9fa614d91d15bacf.zip | |
[PATCH] md: support adding new devices to md arrays via sysfs
Writing major:minor to md/new_dev will bind that device to the array.
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 7b3d471bb9f0..b8d172b254f7 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt @@ -200,6 +200,14 @@ All md devices contain: This can be written only while the array is being assembled, not after it is started. + new_dev + This file can be written but not read. The value written should + be a block device number as major:minor. e.g. 8:0 + This will cause that device to be attached to the array, if it is + available. It will then appear at md/dev-XXX (depending on the + name of the device) and further configuration is then possible. + + As component devices are added to an md array, they appear in the 'md' directory as new directories named dev-XXX |