On 07/08/16 12:21, Wols Lists wrote:
> On 07/08/16 10:54, Mikael Abrahamsson wrote:
>> > On Sun, 7 Aug 2016, Wols Lists wrote:
>> >
>>> >> I also can't run the array :-(
>> >
>> > What does "cat /proc/mdstat" say?
> The vm is shut down right now, but it said inactive, four drives,
> [UUU_], iirc. I'll post it when I get it back up. Didn't mention raid
> type, so that could be messed up somewhere.
>
> Two drives are mirrored, it should be rebuilding on to third, and a
> fourth is spare (ready to rebuild into raid6)
/dev/sdd seems to have disappeared - maybe I removed it ... I've been
mucking about a fair bit ...
Note that "mdadm" is the version that came with the system, "./mdadm" is
the latest version downloaded via git.
And being SuSE, with systemd, "--continue" is supposed to fire off a
background mdadm, I believe. ps tells me that isn't happening...
kanga:/home/anthony # cd mdadm/
kanga:/home/anthony/mdadm # ./mdadm -D /dev/md127
/dev/md127:
Version : 1.2
Creation Time : Fri Aug 5 18:16:24 2016
Raid Level : raid5
Used Dev Size : 8380416 (7.99 GiB 8.58 GB)
Raid Devices : 3
Total Devices : 3
Persistence : Superblock is persistent
Update Time : Sun Aug 7 01:20:23 2016
State : active, Not Started
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 64K
Delta Devices : 1, (2->3)
Name : kanga:testarray (local to host kanga)
UUID : cf52ebc0:886a35cd:688274b4:3f16096c
Events : 157
Number Major Minor RaidDevice State
4 8 16 0 active sync /dev/sdb
1 8 32 1 active sync /dev/sdc
3 8 64 2 active sync /dev/sde
kanga:/home/anthony/mdadm # mdadm /dev/md127 --grow --continue
kanga:/home/anthony/mdadm # ps -fea | grep mdadm
root 1953 1855 0 13:02 pts/0 00:00:00 grep --color=auto mdadm
kanga:/home/anthony/mdadm # cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md127 : inactive sdc[1] sde[3] sdb[4]
25141248 blocks super 1.2
unused devices: <none>
kanga:/home/anthony/mdadm # ./mdadm /dev/md127 --grow --continue
kanga:/home/anthony/mdadm # ps -fea | grep mdadm
root 1967 1855 0 13:03 pts/0 00:00:00 grep --color=auto mdadm
kanga:/home/anthony/mdadm #
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