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| author | Jonathan Brassow <jbrassow@redhat.com> | 2012-10-11 13:40:24 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-10-11 13:40:24 +1100 |
| commit | 4ec1e369af83f7ecdfbd48a905e44fc9910115ba (patch) | |
| tree | 5e7287f870140e041190604ede472ae4d7fa2baf /Documentation/device-mapper/dm-raid.txt | |
| parent | eb6491236f283eb6ebc5421fcdb14b86701a7e36 (diff) | |
| download | linux-4ec1e369af83f7ecdfbd48a905e44fc9910115ba.tar.gz linux-4ec1e369af83f7ecdfbd48a905e44fc9910115ba.tar.bz2 linux-4ec1e369af83f7ecdfbd48a905e44fc9910115ba.zip | |
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/device-mapper/dm-raid.txt')
| -rw-r--r-- | Documentation/device-mapper/dm-raid.txt | 9 |
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 |