From: Michael Samer <michael.samer@epos-cat.de>
To: linux-raid@vger.kernel.org
Subject: QNAP 8 port RAID5 md0 unmountable defective md superblocks
Date: Tue, 07 Jan 2014 13:47:03 +0100 [thread overview]
Message-ID: <52CBF747.7020505@epos-cat.de> (raw)
Hello list
Currently I've the a mdadm system here with unmountable volume due to
disk (timeout and badblocks) failures. I transfered the disk already to
new HDs.
Question: for this is a RAID5 the only redundant disk was lost to a
timeout sometime in the past and the second (/dev/sdf) had tons of
BadBlocks in the first and last 5MBs. I reconstructed the partition
table (as all 8 disks are build the same way), but how could I glue the
mdadm system together again. After that I'd start an integrity check of
the mdadm volume and afterwards an fsck. I attach the "mdadm --examine
/dev/sd*" so you might consider looking upon my problem
the md0 is found, but the md superblocks are missing on four of the 8
disks.
Question: Where is this superblock located so I can see if it was damaged
(badBlock). Is there a way to reconstruct this md superblock?
A "cat /proc/mdstat"give md0 a inactive (because of the lost redundancy)
The inability to mount the md0 is the main problem; the other md arrays
are uninteresting so far. The md0 consists of 8 disks combined into a
RAID5 Array; sometimes in the past one disk seems to be spilled out
(timeout which is quite a common problem with the WD Caviar Green
Editions due to their missing TLER feature). At 21.4 the /dev/sdf had
BadBlocks in the MBR/PT section and the array collapsed. The contact
with QNAP brought a few hints, but mainly: bring the backup into action
and rebuild. That's as much as I know about. All other actions have been
readonly to analyze. I've been the first to transfer the data to
Nearline Storage disks and looking a bit more into the system. In the
month waiting it seems two other disks seems to have badblocks gathered
as I could not explain the missing md superblocks with anything else.
Hitting such a critical area with such a low amount of BadBlocks puzzles
me somehow.
Here's the mdadm --examine /dev/sd*:
/dev/sda:
MBR Magic : aa55
Partition[0] : 1060250 sectors at 40 (type 83)
Partition[1] : 1060284 sectors at 1060296 (type 83)
Partition[2] : 3903891386 sectors at 2120584 (type 83)
Partition[3] : 996024 sectors at 3906011976 (type 83)
/dev/sda1:
Magic : a92b4efc
Version : 0.90.00
UUID : 05105cec:26fef0b4:bf3f9508:05f7c111
Creation Time : Sun Jan 27 18:38:01 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 8
Total Devices : 5
Preferred Minor : 9
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 5
Working Devices : 5
Failed Devices : 2
Spare Devices : 0
Checksum : 3e2e7326 - correct
Events : 763
Number Major Minor RaidDevice State
this 2 8 1 2 active sync /dev/sda1
0 0 0 0 0 removed
1 1 8 17 1 active sync /dev/sdb1
2 2 8 1 2 active sync /dev/sda1
3 3 8 65 3 active sync /dev/sde1
4 4 8 97 4 active sync /dev/sdg1
5 5 0 0 5 faulty removed
6 6 8 113 6 active sync /dev/sdh1
7 7 0 0 7 faulty removed
/dev/sda2:
Magic : a92b4efc
Version : 0.90.00
UUID : 39e8ca2f:3cfff703:4de89223:ac2a0c13
Creation Time : Thu Mar 7 09:41:55 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 2
Total Devices : 5
Preferred Minor : 126
Update Time : Mon Dec 16 14:46:37 2013
State : clean
Active Devices : 2
Working Devices : 5
Failed Devices : 0
Spare Devices : 3
Checksum : be161f0b - correct
Events : 59
Number Major Minor RaidDevice State
this 4 8 2 4 spare /dev/sda2
0 0 8 50 0 active sync /dev/sdd2
1 1 8 114 1 active sync /dev/sdh2
2 2 8 98 2 spare /dev/sdg2
3 3 8 82 3 spare /dev/sdf2
4 4 8 2 4 spare /dev/sda2
/dev/sda3:
Magic : a92b4efc
Version : 0.90.00
UUID : 52d7d080:5c40de46:bc741f30:65cb5a0d
Creation Time : Sun Jan 27 23:10:25 2013
Raid Level : raid5
Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB)
Array Size : 13663619200 (13030.64 GiB 13991.55 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 0
Update Time : Sun Apr 21 14:14:49 2013
State : active
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 91564c42 - correct
Events : 136
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 3 8 51 3 active sync /dev/sdd3
0 0 8 3 0 active sync /dev/sda3
1 1 0 0 1 faulty removed
2 2 8 35 2 active sync /dev/sdc3
3 3 8 51 3 active sync /dev/sdd3
4 4 8 67 4 active sync /dev/sde3
5 5 8 83 5 active sync /dev/sdf3
6 6 8 99 6 active sync /dev/sdg3
7 7 8 115 7 active sync /dev/sdh3
/dev/sda4:
Magic : a92b4efc
Version : 0.90.00
UUID : 4bfc2d50:283e9f67:803faac1:21814c31
Creation Time : Sun Jan 27 18:38:10 2013
Raid Level : raid1
Used Dev Size : 458880 (448.20 MiB 469.89 MB)
Array Size : 458880 (448.20 MiB 469.89 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 13
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 62e299b3 - correct
Events : 4355
Number Major Minor RaidDevice State
this 5 8 4 5 active sync /dev/sda4
0 0 8 36 0 active sync /dev/sdc4
1 1 8 116 1 active sync /dev/sdh4
2 2 8 52 2 active sync /dev/sdd4
3 3 8 100 3 active sync /dev/sdg4
4 4 8 68 4 active sync /dev/sde4
5 5 8 4 5 active sync /dev/sda4
6 6 8 20 6 active sync /dev/sdb4
7 7 0 0 7 faulty removed
/dev/sdb:
MBR Magic : aa55
Partition[0] : 1060250 sectors at 40 (type 83)
Partition[1] : 1060284 sectors at 1060296 (type 83)
Partition[2] : 3903891386 sectors at 2120584 (type 83)
Partition[3] : 996024 sectors at 3906011976 (type 83)
/dev/sdb1:
Magic : a92b4efc
Version : 0.90.00
UUID : 05105cec:26fef0b4:bf3f9508:05f7c111
Creation Time : Sun Jan 27 18:38:01 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 8
Total Devices : 5
Preferred Minor : 9
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 5
Working Devices : 5
Failed Devices : 2
Spare Devices : 0
Checksum : 3e2e7334 - correct
Events : 763
Number Major Minor RaidDevice State
this 1 8 17 1 active sync /dev/sdb1
0 0 0 0 0 removed
1 1 8 17 1 active sync /dev/sdb1
2 2 8 1 2 active sync /dev/sda1
3 3 8 65 3 active sync /dev/sde1
4 4 8 97 4 active sync /dev/sdg1
5 5 0 0 5 faulty removed
6 6 8 113 6 active sync /dev/sdh1
7 7 0 0 7 faulty removed
/dev/sdb4:
Magic : a92b4efc
Version : 0.90.00
UUID : 4bfc2d50:283e9f67:803faac1:21814c31
Creation Time : Sun Jan 27 18:38:10 2013
Raid Level : raid1
Used Dev Size : 458880 (448.20 MiB 469.89 MB)
Array Size : 458880 (448.20 MiB 469.89 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 13
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 62e299c5 - correct
Events : 4355
Number Major Minor RaidDevice State
this 6 8 20 6 active sync /dev/sdb4
0 0 8 36 0 active sync /dev/sdc4
1 1 8 116 1 active sync /dev/sdh4
2 2 8 52 2 active sync /dev/sdd4
3 3 8 100 3 active sync /dev/sdg4
4 4 8 68 4 active sync /dev/sde4
5 5 8 4 5 active sync /dev/sda4
6 6 8 20 6 active sync /dev/sdb4
7 7 0 0 7 faulty removed
/dev/sdc:
MBR Magic : aa55
Partition[0] : 1060250 sectors at 40 (type 83)
Partition[1] : 1060284 sectors at 1060296 (type 83)
Partition[2] : 3903891386 sectors at 2120584 (type 83)
Partition[3] : 996024 sectors at 3906011976 (type 83)
/dev/sdc1:
Magic : a92b4efc
Version : 0.90.00
UUID : 05105cec:26fef0b4:bf3f9508:05f7c111
Creation Time : Sun Jan 27 18:38:01 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 8
Total Devices : 8
Preferred Minor : 9
Update Time : Sun Apr 21 14:00:12 2013
State : clean
Internal Bitmap : present
Active Devices : 8
Working Devices : 8
Failed Devices : 0
Spare Devices : 0
Checksum : 3cf34b80 - correct
Events : 440
Number Major Minor RaidDevice State
this 0 8 17 0 active sync /dev/sdb1
0 0 8 17 0 active sync /dev/sdb1
1 1 8 49 1 active sync /dev/sdd1
2 2 8 1 2 active sync /dev/sda1
3 3 8 33 3 active sync /dev/sdc1
4 4 8 65 4 active sync /dev/sde1
5 5 8 81 5 active sync /dev/sdf1
6 6 8 113 6 active sync /dev/sdh1
7 7 8 97 7 active sync /dev/sdg1
/dev/sdc2:
Magic : a92b4efc
Version : 0.90.00
UUID : 39e8ca2f:3cfff703:4de89223:ac2a0c13
Creation Time : Thu Mar 7 09:41:55 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 2
Total Devices : 8
Preferred Minor : 8
Update Time : Thu Mar 7 09:42:20 2013
State : clean
Active Devices : 2
Working Devices : 8
Failed Devices : 0
Spare Devices : 6
Checksum : bc9f6dd7 - correct
Events : 31
Number Major Minor RaidDevice State
this 1 8 18 1 active sync /dev/sdb2
0 0 8 2 0 active sync /dev/sda2
1 1 8 18 1 active sync /dev/sdb2
2 2 8 114 2 spare /dev/sdh2
3 3 8 98 3 spare /dev/sdg2
4 4 8 82 4 spare /dev/sdf2
5 5 8 66 5 spare /dev/sde2
6 6 8 50 6 spare /dev/sdd2
7 7 8 34 7 spare /dev/sdc2
/dev/sdc3:
Magic : a92b4efc
Version : 0.90.00
UUID : 52d7d080:5c40de46:bc741f30:65cb5a0d
Creation Time : Sun Jan 27 23:10:25 2013
Raid Level : raid5
Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB)
Array Size : 13663619200 (13030.64 GiB 13991.55 GB)
Raid Devices : 8
Total Devices : 8
Preferred Minor : 0
Update Time : Sun Apr 21 14:06:49 2013
State : active
Active Devices : 8
Working Devices : 8
Failed Devices : 0
Spare Devices : 0
Checksum : 91564a57 - correct
Events : 135
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 1 8 19 1 active sync /dev/sdb3
0 0 8 3 0 active sync /dev/sda3
1 1 8 19 1 active sync /dev/sdb3
2 2 8 35 2 active sync /dev/sdc3
3 3 8 51 3 active sync /dev/sdd3
4 4 8 67 4 active sync /dev/sde3
5 5 8 83 5 active sync /dev/sdf3
6 6 8 99 6 active sync /dev/sdg3
7 7 8 115 7 active sync /dev/sdh3
/dev/sdc4:
Magic : a92b4efc
Version : 0.90.00
UUID : 4bfc2d50:283e9f67:803faac1:21814c31
Creation Time : Sun Jan 27 18:38:10 2013
Raid Level : raid1
Used Dev Size : 458880 (448.20 MiB 469.89 MB)
Array Size : 458880 (448.20 MiB 469.89 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 13
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 62e299c9 - correct
Events : 4355
Number Major Minor RaidDevice State
this 0 8 36 0 active sync /dev/sdc4
0 0 8 36 0 active sync /dev/sdc4
1 1 8 116 1 active sync /dev/sdh4
2 2 8 52 2 active sync /dev/sdd4
3 3 8 100 3 active sync /dev/sdg4
4 4 8 68 4 active sync /dev/sde4
5 5 8 4 5 active sync /dev/sda4
6 6 8 20 6 active sync /dev/sdb4
7 7 0 0 7 faulty removed
/dev/sdd:
MBR Magic : aa55
Partition[0] : 1060250 sectors at 40 (type 83)
Partition[1] : 1060284 sectors at 1060296 (type 83)
Partition[2] : 3903891386 sectors at 2120584 (type 83)
Partition[3] : 996024 sectors at 3906011976 (type 83)
/dev/sdd1:
Magic : a92b4efc
Version : 0.90.00
UUID : 05105cec:26fef0b4:bf3f9508:05f7c111
Creation Time : Sun Jan 27 18:38:01 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 8
Total Devices : 6
Preferred Minor : 9
Update Time : Tue Sep 17 12:47:24 2013
State : active
Internal Bitmap : present
Active Devices : 6
Working Devices : 6
Failed Devices : 2
Spare Devices : 0
Checksum : 3db7a8d2 - correct
Events : 723
Number Major Minor RaidDevice State
this 0 8 1 0 active sync /dev/sda1
0 0 8 1 0 active sync /dev/sda1
1 1 8 33 1 active sync /dev/sdc1
2 2 8 49 2 active sync /dev/sdd1
3 3 8 65 3 active sync /dev/sde1
4 4 8 97 4 active sync /dev/sdg1
5 5 0 0 5 faulty removed
6 6 8 113 6 active sync /dev/sdh1
7 7 0 0 7 faulty removed
/dev/sdd2:
Magic : a92b4efc
Version : 0.90.00
UUID : 39e8ca2f:3cfff703:4de89223:ac2a0c13
Creation Time : Thu Mar 7 09:41:55 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 2
Total Devices : 5
Preferred Minor : 126
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Active Devices : 2
Working Devices : 5
Failed Devices : 0
Spare Devices : 3
Checksum : be1615ae - correct
Events : 59
Number Major Minor RaidDevice State
this 0 8 50 0 active sync /dev/sdd2
0 0 8 50 0 active sync /dev/sdd2
1 1 8 114 1 active sync /dev/sdh2
2 2 8 98 2 spare /dev/sdg2
3 3 8 82 3 spare /dev/sdf2
4 4 8 2 4 spare /dev/sda2
/dev/sdd4:
Magic : a92b4efc
Version : 0.90.00
UUID : 4bfc2d50:283e9f67:803faac1:21814c31
Creation Time : Sun Jan 27 18:38:10 2013
Raid Level : raid1
Used Dev Size : 458880 (448.20 MiB 469.89 MB)
Array Size : 458880 (448.20 MiB 469.89 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 13
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 62e299dd - correct
Events : 4355
Number Major Minor RaidDevice State
this 2 8 52 2 active sync /dev/sdd4
0 0 8 36 0 active sync /dev/sdc4
1 1 8 116 1 active sync /dev/sdh4
2 2 8 52 2 active sync /dev/sdd4
3 3 8 100 3 active sync /dev/sdg4
4 4 8 68 4 active sync /dev/sde4
5 5 8 4 5 active sync /dev/sda4
6 6 8 20 6 active sync /dev/sdb4
7 7 0 0 7 faulty removed
/dev/sde:
MBR Magic : aa55
Partition[0] : 1060250 sectors at 40 (type 83)
Partition[1] : 1060284 sectors at 1060296 (type 83)
Partition[2] : 3903891386 sectors at 2120584 (type 83)
Partition[3] : 996024 sectors at 3906011976 (type 83)
/dev/sde1:
Magic : a92b4efc
Version : 0.90.00
UUID : 05105cec:26fef0b4:bf3f9508:05f7c111
Creation Time : Sun Jan 27 18:38:01 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 8
Total Devices : 5
Preferred Minor : 9
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 5
Working Devices : 5
Failed Devices : 2
Spare Devices : 0
Checksum : 3e2e7368 - correct
Events : 763
Number Major Minor RaidDevice State
this 3 8 65 3 active sync /dev/sde1
0 0 0 0 0 removed
1 1 8 17 1 active sync /dev/sdb1
2 2 8 1 2 active sync /dev/sda1
3 3 8 65 3 active sync /dev/sde1
4 4 8 97 4 active sync /dev/sdg1
5 5 0 0 5 faulty removed
6 6 8 113 6 active sync /dev/sdh1
7 7 0 0 7 faulty removed
/dev/sde2:
Magic : a92b4efc
Version : 0.90.00
UUID : 39e8ca2f:3cfff703:4de89223:ac2a0c13
Creation Time : Thu Mar 7 09:41:55 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 2
Total Devices : 5
Preferred Minor : 8
Update Time : Fri Dec 13 12:02:41 2013
State : clean
Active Devices : 2
Working Devices : 5
Failed Devices : 0
Spare Devices : 3
Checksum : be1203d3 - correct
Events : 57
Number Major Minor RaidDevice State
this 3 8 66 3 spare /dev/sde2
0 0 8 50 0 active sync /dev/sdd2
1 1 8 114 1 active sync /dev/sdh2
2 2 8 2 2 spare /dev/sda2
3 3 8 66 3 spare /dev/sde2
4 4 8 98 4 spare /dev/sdg2
/dev/sde3:
Magic : a92b4efc
Version : 0.90.00
UUID : 52d7d080:5c40de46:bc741f30:65cb5a0d
Creation Time : Sun Jan 27 23:10:25 2013
Raid Level : raid5
Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB)
Array Size : 13663619200 (13030.64 GiB 13991.55 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 0
Update Time : Sun Apr 21 14:14:49 2013
State : active
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 91564c54 - correct
Events : 136
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 4 8 67 4 active sync /dev/sde3
0 0 8 3 0 active sync /dev/sda3
1 1 0 0 1 faulty removed
2 2 8 35 2 active sync /dev/sdc3
3 3 8 51 3 active sync /dev/sdd3
4 4 8 67 4 active sync /dev/sde3
5 5 8 83 5 active sync /dev/sdf3
6 6 8 99 6 active sync /dev/sdg3
7 7 8 115 7 active sync /dev/sdh3
/dev/sde4:
Magic : a92b4efc
Version : 0.90.00
UUID : 4bfc2d50:283e9f67:803faac1:21814c31
Creation Time : Sun Jan 27 18:38:10 2013
Raid Level : raid1
Used Dev Size : 458880 (448.20 MiB 469.89 MB)
Array Size : 458880 (448.20 MiB 469.89 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 13
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 62e299f1 - correct
Events : 4355
Number Major Minor RaidDevice State
this 4 8 68 4 active sync /dev/sde4
0 0 8 36 0 active sync /dev/sdc4
1 1 8 116 1 active sync /dev/sdh4
2 2 8 52 2 active sync /dev/sdd4
3 3 8 100 3 active sync /dev/sdg4
4 4 8 68 4 active sync /dev/sde4
5 5 8 4 5 active sync /dev/sda4
6 6 8 20 6 active sync /dev/sdb4
7 7 0 0 7 faulty removed
/dev/sdf:
MBR Magic : aa55
Partition[0] : 1060250 sectors at 40 (type 83)
Partition[1] : 1060284 sectors at 1060296 (type 83)
Partition[2] : 3903891386 sectors at 2120584 (type 83)
Partition[3] : 996024 sectors at 3906011976 (type 83)
/dev/sdf1:
Magic : a92b4efc
Version : 0.90.00
UUID : 05105cec:26fef0b4:bf3f9508:05f7c111
Creation Time : Sun Jan 27 18:38:01 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 9
Update Time : Sun Apr 21 14:50:18 2013
State : active
Internal Bitmap : present
Active Devices : 5
Working Devices : 5
Failed Devices : 2
Spare Devices : 0
Checksum : 3cf355e6 - correct
Events : 449
Number Major Minor RaidDevice State
this 5 8 81 5 active sync /dev/sdf1
0 0 0 0 0 removed
1 1 0 0 1 faulty removed
2 2 8 1 2 active sync /dev/sda1
3 3 8 33 3 active sync /dev/sdc1
4 4 0 0 4 faulty removed
5 5 8 81 5 active sync /dev/sdf1
6 6 8 113 6 active sync /dev/sdh1
7 7 8 97 7 active sync /dev/sdg1
/dev/sdf2:
Magic : a92b4efc
Version : 0.90.00
UUID : 39e8ca2f:3cfff703:4de89223:ac2a0c13
Creation Time : Thu Mar 7 09:41:55 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 2
Total Devices : 5
Preferred Minor : 126
Update Time : Mon Dec 16 14:46:37 2013
State : clean
Active Devices : 2
Working Devices : 5
Failed Devices : 0
Spare Devices : 3
Checksum : be161f59 - correct
Events : 59
Number Major Minor RaidDevice State
this 3 8 82 3 spare /dev/sdf2
0 0 8 50 0 active sync /dev/sdd2
1 1 8 114 1 active sync /dev/sdh2
2 2 8 98 2 spare /dev/sdg2
3 3 8 82 3 spare /dev/sdf2
4 4 8 2 4 spare /dev/sda2
/dev/sdf4:
Magic : a92b4efc
Version : 0.90.00
UUID : 4bfc2d50:283e9f67:803faac1:21814c31
Creation Time : Sun Jan 27 18:38:10 2013
Raid Level : raid1
Used Dev Size : 458880 (448.20 MiB 469.89 MB)
Array Size : 458880 (448.20 MiB 469.89 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 13
Update Time : Wed Apr 24 14:30:56 2013
State : clean
Internal Bitmap : present
Active Devices : 5
Working Devices : 5
Failed Devices : 2
Spare Devices : 0
Checksum : 61ab5765 - correct
Events : 1178
Number Major Minor RaidDevice State
this 5 8 84 5 active sync /dev/sdf4
0 0 0 0 0 removed
1 1 0 0 1 faulty removed
2 2 8 4 2 active sync /dev/sda4
3 3 8 36 3 active sync /dev/sdc4
4 4 0 0 4 faulty removed
5 5 8 84 5 active sync /dev/sdf4
6 6 8 116 6 active sync /dev/sdh4
7 7 8 100 7 active sync /dev/sdg4
/dev/sdg:
MBR Magic : aa55
Partition[0] : 1060250 sectors at 40 (type 83)
Partition[1] : 1060284 sectors at 1060296 (type 83)
Partition[2] : 3903891386 sectors at 2120584 (type 83)
Partition[3] : 996024 sectors at 3906011976 (type 83)
/dev/sdg1:
Magic : a92b4efc
Version : 0.90.00
UUID : 05105cec:26fef0b4:bf3f9508:05f7c111
Creation Time : Sun Jan 27 18:38:01 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 8
Total Devices : 5
Preferred Minor : 9
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 5
Working Devices : 5
Failed Devices : 2
Spare Devices : 0
Checksum : 3e2e738a - correct
Events : 763
Number Major Minor RaidDevice State
this 4 8 97 4 active sync /dev/sdg1
0 0 0 0 0 removed
1 1 8 17 1 active sync /dev/sdb1
2 2 8 1 2 active sync /dev/sda1
3 3 8 65 3 active sync /dev/sde1
4 4 8 97 4 active sync /dev/sdg1
5 5 0 0 5 faulty removed
6 6 8 113 6 active sync /dev/sdh1
7 7 0 0 7 faulty removed
/dev/sdg2:
Magic : a92b4efc
Version : 0.90.00
UUID : 39e8ca2f:3cfff703:4de89223:ac2a0c13
Creation Time : Thu Mar 7 09:41:55 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 2
Total Devices : 5
Preferred Minor : 126
Update Time : Mon Dec 16 14:46:37 2013
State : clean
Active Devices : 2
Working Devices : 5
Failed Devices : 0
Spare Devices : 3
Checksum : be161f67 - correct
Events : 59
Number Major Minor RaidDevice State
this 2 8 98 2 spare /dev/sdg2
0 0 8 50 0 active sync /dev/sdd2
1 1 8 114 1 active sync /dev/sdh2
2 2 8 98 2 spare /dev/sdg2
3 3 8 82 3 spare /dev/sdf2
4 4 8 2 4 spare /dev/sda2
/dev/sdg4:
Magic : a92b4efc
Version : 0.90.00
UUID : 4bfc2d50:283e9f67:803faac1:21814c31
Creation Time : Sun Jan 27 18:38:10 2013
Raid Level : raid1
Used Dev Size : 458880 (448.20 MiB 469.89 MB)
Array Size : 458880 (448.20 MiB 469.89 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 13
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 62e29a0f - correct
Events : 4355
Number Major Minor RaidDevice State
this 3 8 100 3 active sync /dev/sdg4
0 0 8 36 0 active sync /dev/sdc4
1 1 8 116 1 active sync /dev/sdh4
2 2 8 52 2 active sync /dev/sdd4
3 3 8 100 3 active sync /dev/sdg4
4 4 8 68 4 active sync /dev/sde4
5 5 8 4 5 active sync /dev/sda4
6 6 8 20 6 active sync /dev/sdb4
7 7 0 0 7 faulty removed
/dev/sdh:
MBR Magic : aa55
Partition[0] : 1060250 sectors at 40 (type 83)
Partition[1] : 1060284 sectors at 1060296 (type 83)
Partition[2] : 3903891386 sectors at 2120584 (type 83)
Partition[3] : 996024 sectors at 3906011976 (type 83)
/dev/sdh1:
Magic : a92b4efc
Version : 0.90.00
UUID : 05105cec:26fef0b4:bf3f9508:05f7c111
Creation Time : Sun Jan 27 18:38:01 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 8
Total Devices : 5
Preferred Minor : 9
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 5
Working Devices : 5
Failed Devices : 2
Spare Devices : 0
Checksum : 3e2e739e - correct
Events : 763
Number Major Minor RaidDevice State
this 6 8 113 6 active sync /dev/sdh1
0 0 0 0 0 removed
1 1 8 17 1 active sync /dev/sdb1
2 2 8 1 2 active sync /dev/sda1
3 3 8 65 3 active sync /dev/sde1
4 4 8 97 4 active sync /dev/sdg1
5 5 0 0 5 faulty removed
6 6 8 113 6 active sync /dev/sdh1
7 7 0 0 7 faulty removed
/dev/sdh2:
Magic : a92b4efc
Version : 0.90.00
UUID : 39e8ca2f:3cfff703:4de89223:ac2a0c13
Creation Time : Thu Mar 7 09:41:55 2013
Raid Level : raid1
Used Dev Size : 530048 (517.71 MiB 542.77 MB)
Array Size : 530048 (517.71 MiB 542.77 MB)
Raid Devices : 2
Total Devices : 5
Preferred Minor : 126
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Active Devices : 2
Working Devices : 5
Failed Devices : 0
Spare Devices : 3
Checksum : be1615f0 - correct
Events : 59
Number Major Minor RaidDevice State
this 1 8 114 1 active sync /dev/sdh2
0 0 8 50 0 active sync /dev/sdd2
1 1 8 114 1 active sync /dev/sdh2
2 2 8 98 2 spare /dev/sdg2
3 3 8 82 3 spare /dev/sdf2
4 4 8 2 4 spare /dev/sda2
/dev/sdh3:
Magic : a92b4efc
Version : 0.90.00
UUID : 52d7d080:5c40de46:bc741f30:65cb5a0d
Creation Time : Sun Jan 27 23:10:25 2013
Raid Level : raid5
Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB)
Array Size : 13663619200 (13030.64 GiB 13991.55 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 0
Update Time : Sun Apr 21 14:14:49 2013
State : active
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 91564c8a - correct
Events : 136
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 7 8 115 7 active sync /dev/sdh3
0 0 8 3 0 active sync /dev/sda3
1 1 0 0 1 faulty removed
2 2 8 35 2 active sync /dev/sdc3
3 3 8 51 3 active sync /dev/sdd3
4 4 8 67 4 active sync /dev/sde3
5 5 8 83 5 active sync /dev/sdf3
6 6 8 99 6 active sync /dev/sdg3
7 7 8 115 7 active sync /dev/sdh3
/dev/sdh4:
Magic : a92b4efc
Version : 0.90.00
UUID : 4bfc2d50:283e9f67:803faac1:21814c31
Creation Time : Sun Jan 27 18:38:10 2013
Raid Level : raid1
Used Dev Size : 458880 (448.20 MiB 469.89 MB)
Array Size : 458880 (448.20 MiB 469.89 MB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 13
Update Time : Mon Dec 16 14:05:54 2013
State : clean
Internal Bitmap : present
Active Devices : 7
Working Devices : 7
Failed Devices : 1
Spare Devices : 0
Checksum : 62e29a1b - correct
Events : 4355
Number Major Minor RaidDevice State
this 1 8 116 1 active sync /dev/sdh4
0 0 8 36 0 active sync /dev/sdc4
1 1 8 116 1 active sync /dev/sdh4
2 2 8 52 2 active sync /dev/sdd4
3 3 8 100 3 active sync /dev/sdg4
4 4 8 68 4 active sync /dev/sde4
5 5 8 4 5 active sync /dev/sda4
6 6 8 20 6 active sync /dev/sdb4
7 7 0 0 7 faulty removed
/dev/sdj:
MBR Magic : aa55
Partition[0] : 4320 sectors at 32 (type 83)
Partition[1] : 484608 sectors at 4352 (type 83)
Partition[2] : 484608 sectors at 488960 (type 83)
Partition[3] : 34048 sectors at 973568 (type 05)
/dev/sdj4:
MBR Magic : aa55
Partition[0] : 16608 sectors at 32 (type 83)
Partition[1] : 17408 sectors at 16640 (type 05)
Any hints? My first thought was restoring/copying/generating the md
superblock on all missing four member disks.
Hope anyone got some better insight and inspiration than me :-)
Cheers
Michael Samer
next reply other threads:[~2014-01-07 12:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-07 12:47 Michael Samer [this message]
2014-02-06 11:16 ` QNAP 8 port RAID5 md0 recovery of missing MBR and md superblocks Samer, Michael (I/ET-83, extern)
2014-02-17 13:33 ` AW: " Samer, Michael (I/ET-83, extern)
2014-02-17 13:47 ` Phil Turmel
2014-02-17 19:10 ` AW: " Samer, Michael (I/ET-83, extern)
2014-02-17 19:21 ` Phil Turmel
2014-02-18 12:16 ` AW: " Samer, Michael (I/ET-83, extern)
2014-02-18 12:59 ` Phil Turmel
2014-03-13 10:43 ` AW: " Samer, Michael (I/ET-83, extern)
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