From 014236d2b8ec6faea2a6134ab8e019d84d67b524 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Fri, 6 Jan 2006 00:20:55 -0800 Subject: [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 Acked-by: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/md.txt | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'Documentation') 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 -- cgit v1.2.3-70-g09d2