mdadm: /dev/sdb1 has wrong uuid
Hello everyone,
I've got a terrible situation. mdadm -E /dev/hda1 /dev/hda1: Magic : a92b4efc Version : 00.90.00 UUID : ca757311:b1ab612a:948b7fe5:84210c23 Creation Time : Sat Apr 16 14:35:18 2011 Raid Level : raid5 Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB) Array Size : 5860543744 (5589.05 GiB 6001.20 GB) Raid Devices : 5 Total Devices : 4 Preferred Minor : 1 Update Time : Sun Dec 4 00:57:05 2011 State : clean Active Devices : 4 Working Devices : 4 Failed Devices : 0 Spare Devices : 0 Checksum : 31f4f39a - correct Events : 1163542 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 4 3 1 4 active sync /dev/hda1 0 0 0 0 0 removed 1 1 8 33 1 active sync /dev/sdc1 2 2 8 49 2 active sync /dev/sdd1 3 3 3 65 3 active sync /dev/hdb1 4 4 3 1 4 active sync /dev/hda1 mdadm -E /dev/sda1 /dev/sda1: Magic : a92b4efc Version : 00.90.00 UUID : ca757311:b1ab612a:948b7fe5:84210c23 Creation Time : Sat Apr 16 14:35:18 2011 Raid Level : raid5 Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB) Array Size : 5860543744 (5589.05 GiB 6001.20 GB) Raid Devices : 5 Total Devices : 5 Preferred Minor : 1 Update Time : Sat Oct 1 16:43:53 2011 State : clean Active Devices : 5 Working Devices : 5 Failed Devices : 0 Spare Devices : 0 Checksum : 319bb165 - correct Events : 975108 Layout : left-symmetric Chunk Size : 64K 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 3 65 3 active sync /dev/hdb1 4 4 3 1 4 active sync /dev/hda1 mdadm -E /dev/sdc1 /dev/sdc1: Magic : a92b4efc Version : 00.90.00 UUID : ca757311:b1ab612a:948b7fe5:84210c23 Creation Time : Sat Apr 16 14:35:18 2011 Raid Level : raid5 Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB) Array Size : 5860543744 (5589.05 GiB 6001.20 GB) Raid Devices : 5 Total Devices : 4 Preferred Minor : 1 Update Time : Sun Dec 4 16:36:02 2011 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : 31f5d013 - correct Events : 1163572 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 1 8 33 1 active sync /dev/sdc1 0 0 0 0 0 removed 1 1 8 33 1 active sync /dev/sdc1 2 2 8 49 2 active sync /dev/sdd1 3 3 3 65 3 active sync /dev/hdb1 4 4 0 0 4 faulty removed mdadm -E /dev/sdd1 /dev/sdd1: Magic : a92b4efc Version : 00.90.00 UUID : ca757311:b1ab612a:948b7fe5:84210c23 Creation Time : Sat Apr 16 14:35:18 2011 Raid Level : raid5 Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB) Array Size : 5860543744 (5589.05 GiB 6001.20 GB) Raid Devices : 5 Total Devices : 4 Preferred Minor : 1 Update Time : Sun Dec 4 16:36:02 2011 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : 31f5d025 - correct Events : 1163572 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 2 8 49 2 active sync /dev/sdd1 0 0 0 0 0 removed 1 1 8 33 1 active sync /dev/sdc1 2 2 8 49 2 active sync /dev/sdd1 3 3 3 65 3 active sync /dev/hdb1 4 4 0 0 4 faulty removed mdadm -E /dev/hdb1 /dev/hdb1: Magic : a92b4efc Version : 00.90.00 UUID : ca757311:b1ab612a:948b7fe5:84210c23 Creation Time : Sat Apr 16 14:35:18 2011 Raid Level : raid5 Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB) Array Size : 5860543744 (5589.05 GiB 6001.20 GB) Raid Devices : 5 Total Devices : 4 Preferred Minor : 1 Update Time : Sun Dec 4 16:36:02 2011 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : 31f5d032 - correct Events : 1163572 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 3 3 65 3 active sync /dev/hdb1 0 0 0 0 0 removed 1 1 8 33 1 active sync /dev/sdc1 2 2 8 49 2 active sync /dev/sdd1 3 3 3 65 3 active sync /dev/hdb1 4 4 0 0 4 faulty removed mdadm -Av /dev/md1 --uuid=ca757311:b1ab612a:948b7fe5:84210c23 mdadm: looking for devices for /dev/md1 mdadm: no RAID superblock on /dev/hdb mdadm: /dev/hdb has wrong uuid. mdadm: no RAID superblock on /dev/hda mdadm: /dev/hda has wrong uuid. mdadm: no RAID superblock on /dev/sdd mdadm: /dev/sdd has wrong uuid. mdadm: no RAID superblock on /dev/sdc mdadm: /dev/sdc has wrong uuid. mdadm: no RAID superblock on /dev/sdb3 mdadm: /dev/sdb3 has wrong uuid. mdadm: cannot open device /dev/sdb2: Device or resource busy mdadm: /dev/sdb2 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: no RAID superblock on /dev/sda mdadm: /dev/sda has wrong uuid. mdadm: /dev/hdb1 is identified as a member of /dev/md1, slot 3. mdadm: /dev/hda1 is identified as a member of /dev/md1, slot 4. mdadm: /dev/sdd1 is identified as a member of /dev/md1, slot 2. mdadm: /dev/sdc1 is identified as a member of /dev/md1, slot 1. mdadm: /dev/sda1 is identified as a member of /dev/md1, slot 0. mdadm: added /dev/sda1 to /dev/md1 as 0 mdadm: added /dev/sdd1 to /dev/md1 as 2 mdadm: added /dev/hdb1 to /dev/md1 as 3 mdadm: added /dev/hda1 to /dev/md1 as 4 mdadm: added /dev/sdc1 to /dev/md1 as 1 mdadm: /dev/md1 assembled from 3 drives - not enough to start the array. blkid -s UUID /dev/sda1: UUID="117375ca-2a61-abb1-e57f-8b94230c2184" /dev/sdb1: UUID="f6a4dbb0-11af-4f8f-b00c-f175700be28b" /dev/sdb3: UUID="bbeaead1-aa31-4951-be11-7d5558309c4c" /dev/sdc1: UUID="117375ca-2a61-abb1-e57f-8b94230c2184" /dev/sdd1: UUID="117375ca-2a61-abb1-e57f-8b94230c2184" /dev/hda1: UUID="117375ca-2a61-abb1-e57f-8b94230c2184" /dev/hdb1: UUID="117375ca-2a61-abb1-e57f-8b94230c2184" mdadm --assemble --update=uuid /dev/md1 mdadm --assemble --update=rsyncd /dev/md1 is helpless mdadm -A /dev/md1 /dev/hda1 mdadm: no recogniseable superblock on /dev/hda1 mdadm: /dev/hda1 has no superblock - assembly aborted mdadm -A /dev/md1 /dev/sdd1 mdadm: no recogniseable superblock on /dev/sdd1 mdadm: /dev/sdd1 has no superblock - assembly aborted I think the problem is that sdd1 and hda1 has something wrong with the superblock and with three good disk, the raid cannot work Is there any way that can help ? Thank you very much! |
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