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authorJonathan Brassow <jbrassow@redhat.com>2012-10-11 06:40:24 +0400
committerNeilBrown <neilb@suse.de>2012-10-11 06:40:24 +0400
commit4ec1e369af83f7ecdfbd48a905e44fc9910115ba (patch)
tree5e7287f870140e041190604ede472ae4d7fa2baf /Documentation
parenteb6491236f283eb6ebc5421fcdb14b86701a7e36 (diff)
downloadlinux-4ec1e369af83f7ecdfbd48a905e44fc9910115ba.tar.xz
DM RAID: Add rebuild capability for RAID10
DM RAID: Add code to validate replacement slots for RAID10 arrays RAID10 can handle 'copies - 1' failures for each mirror group. This code ensures the user has provided a valid array - one whose devices specified for rebuild do not exceed the amount of redundancy available. Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/device-mapper/dm-raid.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt
index 1c1844957166..728c38c242d6 100644
--- a/Documentation/device-mapper/dm-raid.txt
+++ b/Documentation/device-mapper/dm-raid.txt
@@ -132,3 +132,12 @@ Here we can see the RAID type is raid4, there are 5 devices - all of
which are 'A'live, and the array is 2/490221568 complete with recovery.
Faulty or missing devices are marked 'D'. Devices that are out-of-sync
are marked 'a'.
+
+
+Version History
+---------------
+1.0.0 Initial version. Support for RAID 4/5/6
+1.1.0 Added support for RAID 1
+1.2.0 Handle creation of arrays that contain failed devices.
+1.3.0 Added support for RAID 10
+1.3.1 Allow device replacement/rebuild for RAID 10