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[PATCH] md: expose md metadata format in sysfs

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Allow it to be set to a particular version, or 'none'.

Signed-off-by: Neil Brown <[email protected]>
Acked-by: Greg KH <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
NeilBrown 2006-01-06 00:20:50 -08:00 • committed by Linus Torvalds
commit 8bb93aaca2
2 changed files with 55 additions and 0 deletions
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6
Documentation/md.txt
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@ -183,6 +183,12 @@ All md devices contain:
the array if the personality supports it (raid1, raid5, raid6),
and if the component drives are large enough.
metadata_version
This indicates the format that is being used to record metadata
about the array. It can be 0.90 (traditional format), 1.0, 1.1,
1.2 (newer format in varying locations) or "none" indicating that
the kernel isn't managing metadata at all.
As component devices are added to an md array, they appear in the 'md'
directory as new directories named
dev-XXX