On Monday 24 August 2009 16:38:41 you wrote: > You'll need to provide a lot more information, starting with > kernel log at all relevant times (and don't use 'grep', just cut out > of contiguous section of the log including a few lines before and > after anything that might be relevant). > And "mdadm -E" of any relevant device. # mdadm -E /dev/sdb mdadm: No md superblock detected on /dev/sdb. # Aug 22 21:17:17 localhost kernel: [ 3.048020] ata4: SATA link down (SStatus 0 SControl 300) Aug 22 21:17:17 localhost kernel: [ 3.048037] ata6: SATA link down (SStatus 0 SControl 300) Aug 22 21:17:17 localhost kernel: [ 3.048045] ata5: SATA link down (SStatus 0 SControl 300) Aug 22 21:17:17 localhost kernel: [ 3.048054] ata3: SATA link down (SStatus 0 SControl 300) Aug 22 21:17:17 localhost kernel: [ 3.201035] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Aug 22 21:17:17 localhost kernel: [ 3.201044] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Aug 22 21:17:17 localhost kernel: [ 3.204330] ata2.00: ATA-8: WDC WD20EADS-00S2B0, 04.05G04, max UDMA/133 Aug 22 21:17:17 localhost kernel: [ 3.204333] ata2.00: 3907029168 sectors, multi 0: LBA48 NCQ (depth 31/32) Aug 22 21:17:17 localhost kernel: [ 3.206097] ata1.00: ATA-8: WDC WD20EADS-00R6B0, 01.00A01, max UDMA/133 Aug 22 21:17:17 localhost kernel: [ 3.206100] ata1.00: 3907029168 sectors, multi 0: LBA48 NCQ (depth 31/32) Aug 22 21:17:17 localhost kernel: [ 3.207345] ata2.00: configured for UDMA/133 Aug 22 21:17:17 localhost kernel: [ 3.211122] ata1.00: configured for UDMA/133 Aug 22 21:17:17 localhost kernel: [ 3.211203] scsi 0:0:0:0: Direct-Access ATA WDC WD20EADS-00R 01.0 PQ: 0 ANSI: 5 Aug 22 21:17:17 localhost kernel: [ 3.211406] sd 0:0:0:0: [sda] 3907029168 512-byte hardware sectors: (2.00 TB/1.81 TiB) Aug 22 21:17:17 localhost kernel: [ 3.211417] sd 0:0:0:0: [sda] Write Protect is off Aug 22 21:17:17 localhost kernel: [ 3.211435] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Aug 22 21:17:17 localhost kernel: [ 3.211495] sda:<5>sd 0:0:0:0: Attached scsi generic sg0 type 0 Aug 22 21:17:17 localhost kernel: [ 3.211568] scsi 1:0:0:0: Direct-Access ATA WDC WD20EADS-00S 04.0 PQ: 0 ANSI: 5 Aug 22 21:17:17 localhost kernel: [ 3.211719] sd 1:0:0:0: [sdb] 3907029168 512-byte hardware sectors: (2.00 TB/1.81 TiB) Aug 22 21:17:17 localhost kernel: [ 3.211728] sd 1:0:0:0: [sdb] Write Protect is off Aug 22 21:17:17 localhost kernel: [ 3.211746] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Aug 22 21:17:17 localhost kernel: [ 3.211798] sdb:<5>sd 1:0:0:0: Attached scsi generic sg1 type 0 Aug 22 21:17:17 localhost kernel: [ 3.222483] sdb1 sdb2 sdb3 Aug 22 21:17:17 localhost kernel: [ 3.222744] sd 1:0:0:0: [sdb] Attached SCSI disk Aug 22 21:17:17 localhost kernel: [ 3.223107] sda1 sda2 sda3 Aug 22 21:17:17 localhost kernel: [ 3.223321] sd 0:0:0:0: [sda] Attached SCSI disk ... Aug 22 21:17:17 localhost kernel: [ 4.719904] md: md0 stopped. Aug 22 21:17:17 localhost kernel: [ 4.756229] md: bind<sdb1> Aug 22 21:17:17 localhost kernel: [ 4.756348] md: bind<sda1> Aug 22 21:17:17 localhost kernel: [ 4.756365] md: kicking non-fresh sdb1 from array! Aug 22 21:17:17 localhost kernel: [ 4.756370] md: unbind<sdb1> Aug 22 21:17:17 localhost kernel: [ 4.761035] md: export_rdev(sdb1) Aug 22 21:17:17 localhost kernel: [ 4.762357] raid1: raid set md0 active with 1 out of 2 mirrors Aug 22 21:17:17 localhost kernel: [ 4.768650] md0: bitmap initialized from disk: read 10/10 pages, set 198 bits Aug 22 21:17:17 localhost kernel: [ 4.768653] created bitmap (151 pages) for device md0 Aug 22 21:17:17 localhost kernel: [ 4.777530] md: md1 stopped. Aug 22 21:17:17 localhost kernel: [ 4.777616] md0: unknown partition table Aug 22 21:17:17 localhost kernel: [ 4.781705] md: bind<sdb2> Aug 22 21:17:17 localhost kernel: [ 4.781820] md: bind<sda2> Aug 22 21:17:17 localhost kernel: [ 4.783078] raid10: raid set md1 active with 2 out of 2 devices Aug 22 21:17:17 localhost kernel: [ 4.791063] md1: bitmap initialized from disk: read 13/13 pages, set 0 bits Aug 22 21:17:17 localhost kernel: [ 4.791066] created bitmap (193 pages) for device md1 Aug 22 21:17:17 localhost kernel: [ 4.827200] md: md2 stopped. Aug 22 21:17:17 localhost kernel: [ 4.827294] md1: unknown partition table Aug 22 21:17:17 localhost kernel: [ 4.835293] md: bind<sdb3> Aug 22 21:17:17 localhost kernel: [ 4.835413] md: bind<sda3> Aug 22 21:17:17 localhost kernel: [ 4.846525] raid10: raid set md2 active with 2 out of 2 devices Aug 22 21:17:17 localhost kernel: [ 4.862129] md2: bitmap initialized from disk: read 14/14 pages, set 0 bits Aug 22 21:17:17 localhost kernel: [ 4.862132] created bitmap (223 pages) for device md2 Aug 22 21:17:17 localhost kernel: [ 4.898461] md2: unknown partition table ... Hm, how would the superblock have been destroyed? This is a little disturbing. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
