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Raid nimmt eine Platte nicht mehr an - was tun?
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Karsten1973
Apprentice
Apprentice


Joined: 17 Dec 2004
Posts: 298
Location: Berlin, Germany

PostPosted: Wed Jan 14, 2015 6:02 pm    Post subject: Raid nimmt eine Platte nicht mehr an - was tun? Reply with quote

Ich hab einen Gentoo-basierten Server, der neben einer Systemplatte (sda) drei weitere Platten im Softwareraid für meine Daten bereithält. Jetzt kann ich plötzlich nicht mehr auf das Raid schreiben und suche nach dem Fehler.

Code:
 aus dmesg
[    0.811185] sd 3:0:0:0: [sdd] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
[    0.811209] sd 2:0:0:0: [sdc] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
[    0.811264] sd 1:0:0:0: [sdb] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
[    0.811279] sd 3:0:0:0: [sdd] Write Protect is off
[    0.811281] sd 3:0:0:0: [sdd] Mode Sense: 00 3a 00 00
[    0.811310] sd 2:0:0:0: [sdc] Write Protect is off
[    0.811311] sd 2:0:0:0: [sdc] Mode Sense: 00 3a 00 00
[    0.811336] sd 3:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    0.811394] sd 2:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    0.811423] sd 1:0:0:0: [sdb] Write Protect is off
[    0.811424] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[    0.811442] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    0.812540] sd 0:0:0:0: [sda] Write Protect is off
[    0.812620] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    0.812630] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    0.818852]  sdd: sdd1
[    0.819309] sd 3:0:0:0: [sdd] Attached SCSI disk
[    0.820966]  sda: sda1 sda2 sda3
[    0.821413] sd 0:0:0:0: [sda] Attached SCSI disk
[    0.822006]  sdc: sdc1
[    0.822924] sd 2:0:0:0: [sdc] Attached SCSI disk
[    0.824001]  sdb: sdb1
[    0.824489] sd 1:0:0:0: [sdb] Attached SCSI disk
[    0.824615] md: Waiting for all devices to be available before autodetect
[    0.824699] md: If you don't use raid, use raid=noautodetect
[    0.824959] md: Autodetecting RAID arrays.
[    0.874787] md: invalid raid superblock magic on sdd1
[    0.874876] md: sdd1 does not have a valid v0.90 superblock, not importing!
[    0.905200] md: invalid raid superblock magic on sdc1
[    0.905283] md: sdc1 does not have a valid v0.90 superblock, not importing!
[    0.928185] md: invalid raid superblock magic on sdb1
[    0.928268] md: sdb1 does not have a valid v0.90 superblock, not importing!
[    0.928360] md: Scanned 3 and added 0 devices.
[    0.928438] md: autorun ...
[    0.928516] md: ... autorun DONE.
[    0.963192] kjournald starting.  Commit interval 5 seconds
[    0.963273] EXT3-fs (sda3): mounted filesystem with writeback data mode
[    0.963287] VFS: Mounted root (ext3 filesystem) readonly on device 8:3.
[    1.033571] devtmpfs: mounted
...
[    6.010801] md: bind<sdb1>
[    6.011898] md: bind<sdd1>
[    6.013712] md: bind<sdc1>
[    6.014546] md: kicking non-fresh sdd1 from array!
[    6.014553] md: unbind<sdd1>
[    6.019039] md: export_rdev(sdd1)
[    6.066809] md/raid:md0: device sdc1 operational as raid disk 1
[    6.066812] md/raid:md0: device sdb1 operational as raid disk 0
[    6.067111] md/raid:md0: allocated 0kB
[    6.067151] md/raid:md0: raid level 5 active with 2 out of 3 devices, algorithm 2
[    6.067154] RAID conf printout:
[    6.067155]  --- level:5 rd:3 wd:2
[    6.067157]  disk 0, o:1, dev:sdb1
[    6.067159]  disk 1, o:1, dev:sdc1
[    6.067190] md0: detected capacity change from 0 to 4000792182784
[    6.067577]  md0: unknown partition table
...
[   10.014444] UDF-fs: warning (device md0): udf_fill_super: No partition found (2)
[   10.015245] XFS (md0): Mounting V4 Filesystem
[   10.279085] XFS (md0): Ending clean mount
...
[  990.986112]  sdd: sdd1
[  991.085707]  sdd: sdd1

Ich habe Sorge was kaputt zu machen und wollte erstmal fragen, bevor ich herumfummle.

Danke!
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