Dear,
I have an problem with mdadm based NAS, Unfortunately producer support
don't have any interest to solve anything (Unfortunately as usually).
What's happens - I created 6 HDD array RAID 5 by standard web
interface, because I had an problem with HDD, array was created in order
HDD 2,3,4,5,1,6. After appr. 1.5 year one hdd have problem, some chaos
to understand which hdd had problem (web interface), when I replaced
hdd, array was restore, but in different order of hdd - 2,3,4,5,6,1, hdd
6 and 1 are switch and result - inaccessible array ... unfortunately ...
What I have there - better say no comment.
My small question is simple - exist some solution for this situation
and restore standard work (of course - with (any) data there) ?
mdadm -D /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Sat Jun 20 20:14:35 2009
Raid Level : raid5
Array Size : 7317848000 (6978.84 GiB 7493.48 GB)
Used Dev Size : 1463569600 (1395.77 GiB 1498.70 GB)
Raid Devices : 6
Total Devices : 6
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Sat Aug 14 14:00:22 2010
State : clean
Active Devices : 6
Working Devices : 6
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 64K
UUID : bcb3df8c:c65faf60:784485de:5b9c58ae
Events : 0.1040290
Number Major Minor RaidDevice State
0 8 19 0 active sync /dev/sdb3
1 8 35 1 active sync /dev/sdc3
2 8 51 2 active sync /dev/sdd3
3 8 67 3 active sync /dev/sde3
4 8 83 4 active sync /dev/sdf3
5 8 3 5 active sync /dev/sda3
Original report I don't have, only mdadm.conf - ARRAY /dev/md0
devices=/dev/sdb3,/dev/sdc3,/dev/sdd3,/dev/sde3,/dev/sda3,/dev/sdf3
mdadm --examine /dev/md0
mdadm: No md superblock detected on /dev/md0.
mdadm --examine-bitmap /dev/md0
Filename : /dev/md0
Magic : 6461646d
mdadm: invalid bitmap magic 0x6461646d, the bitmap file appears to be
corrupted
Version : 1310734957
mdadm: unknown bitmap version 1310734957, either the bitmap file is
corrupted or you need to upgrade your tools
I'll happy for any help.
Best regards, Pavel
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