From 8bb93aaca2062cd54cc2c58c76ee8409cae209a7 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Fri, 6 Jan 2006 00:20:50 -0800 Subject: [PATCH] md: expose md metadata format in sysfs Allow it to be set to a particular version, or 'none'. Signed-off-by: Neil Brown Acked-by: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/md.txt | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'Documentation/md.txt') diff --git a/Documentation/md.txt b/Documentation/md.txt index 0a2e10a4040d..c5512afd5917 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt @@ -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 -- cgit v1.2.3