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authorNeilBrown <neilb@suse.de>2006-01-06 00:20:51 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:34:09 -0800
commitd9d166c2a9d5d01af34396793950aa695883eed4 (patch)
tree6cb593cc0636476ebec9a9690aa48997510f9701 /Documentation/md.txt
parent8bb93aaca2062cd54cc2c58c76ee8409cae209a7 (diff)
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[PATCH] md: allow array level to be set textually via sysfs
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>
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diff --git a/Documentation/md.txt b/Documentation/md.txt
index c5512afd591..fd43fd2cad2 100644
--- a/Documentation/md.txt
+++ b/Documentation/md.txt
@@ -189,6 +189,14 @@ All md devices contain:
1.2 (newer format in varying locations) or "none" indicating that
the kernel isn't managing metadata at all.
+ level
+ The raid 'level' for this array. The name will often (but not
+ always) be the same as the name of the module that implements the
+ level. To be auto-loaded the module must have an alias
+ md-$LEVEL e.g. md-raid5
+ This can be written only while the array is being assembled, not
+ after it is started.
+
As component devices are added to an md array, they appear in the 'md'
directory as new directories named
dev-XXX