On Thu, March 4, 2010 8:30 pm, Neil Brown wrote: > Try this: > > > cat /etc/fstab cat /etc/mdadm.conf mdadm -Esvv mdadm -Asv blkid -p /dev/md* > > And include all the output. See attached. Note that fstab is essentially irrelevant; I'd mounted by hand, and was going to add the entry after I got the server back in the server room. > (sorry if I seem grumpy, but I'm a bit tired which makes it harder to > appear polite). Know what you mean; got four hours', myself, due to a virtualization migration. For the record, I've got my backup tapes ordered (again) -- if you can tell me what I did wrong, that would be almost as satisfying as getting the data back. Thanks, -Ken -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
Disk /dev/md0 doesn't contain a valid partition table Disk /dev/md0: 4410.9 GB, 4410904805376 bytes 2 heads, 4 sectors/track, 1076881056 cylinders Units = cylinders of 8 * 512 = 4096 bytes Disk identifier: 0x00000000
Attachment:
mdadm.conf
Description: Binary data
mdadm: looking for devices for /dev/md0 mdadm: cannot open device /dev/sde1: Device or resource busy mdadm: /dev/sde1 has wrong uuid. mdadm: cannot open device /dev/sde: Device or resource busy mdadm: /dev/sde has wrong uuid. mdadm: no RAID superblock on /dev/sdd1 mdadm: /dev/sdd1 has wrong uuid. mdadm: no RAID superblock on /dev/sdd mdadm: /dev/sdd has wrong uuid. mdadm: cannot open device /dev/sdc1: Device or resource busy mdadm: /dev/sdc1 has wrong uuid. mdadm: cannot open device /dev/sdc: Device or resource busy mdadm: /dev/sdc has wrong uuid. mdadm: cannot open device /dev/sdb1: Device or resource busy mdadm: /dev/sdb1 has wrong uuid. mdadm: cannot open device /dev/sdb: Device or resource busy mdadm: /dev/sdb has wrong uuid. mdadm: cannot open device /dev/sda1: Device or resource busy mdadm: /dev/sda1 has wrong uuid. mdadm: cannot open device /dev/sda: Device or resource busy mdadm: /dev/sda has wrong uuid. mdadm: cannot open device /dev/loop1: Device or resource busy mdadm: /dev/loop1 has wrong uuid. mdadm: cannot open device /dev/loop0: Device or resource busy mdadm: /dev/loop0 has wrong uuid. mdadm: /dev/sdd2 is identified as a member of /dev/md0, slot 3. mdadm: /dev/sdc2 is identified as a member of /dev/md0, slot 1. mdadm: /dev/sdb2 is identified as a member of /dev/md0, slot 0. mdadm: /dev/sda2 is identified as a member of /dev/md0, slot 2. mdadm: added /dev/sdc2 to /dev/md0 as 1 mdadm: added /dev/sda2 to /dev/md0 as 2 mdadm: added /dev/sdd2 to /dev/md0 as 3 mdadm: added /dev/sdb2 to /dev/md0 as 0 mdadm: /dev/md0 has been started with 4 drives. mdadm: looking for devices for further assembly mdadm: no recogniseable superblock on /dev/block/9:0 mdadm: cannot open device /dev/sde1: Device or resource busy mdadm: cannot open device /dev/sde: Device or resource busy mdadm: cannot open device /dev/sdd2: Device or resource busy mdadm: no recogniseable superblock on /dev/sdd1 mdadm: cannot open device /dev/sdd: Device or resource busy mdadm: cannot open device /dev/sdc2: Device or resource busy mdadm: cannot open device /dev/sdc1: Device or resource busy mdadm: cannot open device /dev/sdc: Device or resource busy mdadm: cannot open device /dev/sdb2: Device or resource busy mdadm: cannot open device /dev/sdb1: Device or resource busy mdadm: cannot open device /dev/sdb: Device or resource busy mdadm: cannot open device /dev/sda2: Device or resource busy mdadm: cannot open device /dev/sda1: Device or resource busy mdadm: cannot open device /dev/sda: Device or resource busy mdadm: cannot open device /dev/loop1: Device or resource busy mdadm: cannot open device /dev/loop0: Device or resource busy
mdadm: No md superblock detected on /dev/block/9:0.
mdadm: No md superblock detected on /dev/sde1.
mdadm: No md superblock detected on /dev/sde.
mdadm: No md superblock detected on /dev/sdd1.
mdadm: No md superblock detected on /dev/sdd.
mdadm: No md superblock detected on /dev/sdc1.
mdadm: No md superblock detected on /dev/sdc.
mdadm: No md superblock detected on /dev/sdb1.
mdadm: No md superblock detected on /dev/sdb.
mdadm: No md superblock detected on /dev/sda1.
mdadm: No md superblock detected on /dev/sda.
mdadm: No md superblock detected on /dev/loop1.
mdadm: No md superblock detected on /dev/loop0.
/dev/sdd2:
Magic : a92b4efc
Version : 00.90.00
UUID : 1e89645a:7e24dcef:9e77d54f:077a6a6f
Creation Time : Thu Feb 4 20:54:58 2010
Raid Level : raid5
Used Dev Size : 1435841408 (1369.33 GiB 1470.30 GB)
Array Size : 4307524224 (4107.98 GiB 4410.90 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Fri Mar 5 07:04:06 2010
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : d85ef7b3 - correct
Events : 35041
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 3 8 50 3 active sync /dev/sdd2
0 0 8 18 0 active sync /dev/sdb2
1 1 8 34 1 active sync /dev/sdc2
2 2 8 2 2 active sync /dev/sda2
3 3 8 50 3 active sync /dev/sdd2
/dev/sdc2:
Magic : a92b4efc
Version : 00.90.00
UUID : 1e89645a:7e24dcef:9e77d54f:077a6a6f
Creation Time : Thu Feb 4 20:54:58 2010
Raid Level : raid5
Used Dev Size : 1435841408 (1369.33 GiB 1470.30 GB)
Array Size : 4307524224 (4107.98 GiB 4410.90 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Fri Mar 5 07:04:06 2010
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : d85ef79f - correct
Events : 35041
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 1 8 34 1 active sync /dev/sdc2
0 0 8 18 0 active sync /dev/sdb2
1 1 8 34 1 active sync /dev/sdc2
2 2 8 2 2 active sync /dev/sda2
3 3 8 50 3 active sync /dev/sdd2
/dev/sdb2:
Magic : a92b4efc
Version : 00.90.00
UUID : 1e89645a:7e24dcef:9e77d54f:077a6a6f
Creation Time : Thu Feb 4 20:54:58 2010
Raid Level : raid5
Used Dev Size : 1435841408 (1369.33 GiB 1470.30 GB)
Array Size : 4307524224 (4107.98 GiB 4410.90 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Fri Mar 5 07:04:06 2010
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : d85ef78d - correct
Events : 35041
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 8 18 0 active sync /dev/sdb2
0 0 8 18 0 active sync /dev/sdb2
1 1 8 34 1 active sync /dev/sdc2
2 2 8 2 2 active sync /dev/sda2
3 3 8 50 3 active sync /dev/sdd2
/dev/sda2:
Magic : a92b4efc
Version : 00.90.00
UUID : 1e89645a:7e24dcef:9e77d54f:077a6a6f
Creation Time : Thu Feb 4 20:54:58 2010
Raid Level : raid5
Used Dev Size : 1435841408 (1369.33 GiB 1470.30 GB)
Array Size : 4307524224 (4107.98 GiB 4410.90 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Fri Mar 5 07:04:06 2010
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : d85ef781 - correct
Events : 35041
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 2 8 2 2 active sync /dev/sda2
0 0 8 18 0 active sync /dev/sdb2
1 1 8 34 1 active sync /dev/sdc2
2 2 8 2 2 active sync /dev/sda2
3 3 8 50 3 active sync /dev/sdd2/dev/md0: UUID="d6158445-e38e-4942-9395-e1bd29935d22" TYPE="xfs" USAGE="filesystem"
