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Am Samstag, 22. Dezember 2012, 13:53:42 schrieb Alan Mackenzie: |
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> Hi, all. |
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> |
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> Just built kernel 3.6.11 and when I tried to install it with lilo, I got |
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> this difficult error message: |
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> |
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> Fatal: Trying to map files from unnamed device 0x0000 (NFS/RAID |
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> mirror down ?) |
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> |
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> . So I eventually had a look at dmesg for my raid setup, and found this |
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> - note lines 15 - 19: |
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> |
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> [ 2.148410] md: Waiting for all devices to be available before |
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> autodetect |
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> [ 2.149891] md: If you don't use raid, use raid=noautodetect |
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> [ 2.151546] md: Autodetecting RAID arrays. |
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> [ 2.180356] md: Scanned 4 and added 4 devices. |
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> [ 2.181819] md: autorun ... |
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> [ 2.183244] md: considering sdb6 ... |
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> [ 2.184666] md: adding sdb6 ... |
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> [ 2.186079] md: sdb3 has different UUID to sdb6 |
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> [ 2.187492] md: adding sda6 ... |
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> [ 2.188884] md: sda3 has different UUID to sdb6 |
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> [ 2.190484] md: created md6 |
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> [ 2.191883] md: bind<sda6> |
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> [ 2.193224] md: bind<sdb6> |
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> [ 2.194538] md: running: <sdb6><sda6> |
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> 15 [ 2.195855] md: kicking non-fresh sda6 from array! |
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> 16 [ 2.197154] md: unbind<sda6> |
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> 17 [ 2.205840] md: export_rdev(sda6) |
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> [ 2.207176] bio: create slab <bio-1> at 1 |
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> 19 [ 2.208520] md/raid1:md6: active with 1 out of 2 mirrors |
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> [ 2.209835] md6: detected capacity change from 0 to 34359672832 |
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> [ 2.211187] md: considering sdb3 ... |
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> [ 2.212444] md: adding sdb3 ... |
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> [ 2.213691] md: adding sda3 ... |
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> [ 2.215117] md: created md3 |
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> [ 2.216349] md: bind<sda3> |
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> [ 2.217569] md: bind<sdb3> |
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> [ 2.218765] md: running: <sdb3><sda3> |
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> [ 2.220025] md/raid1:md3: active with 2 out of 2 mirrors |
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> [ 2.221231] md3: detected capacity change from 0 to 429507543040 |
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> [ 2.222508] md: ... autorun DONE. |
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> [ 2.230821] md6: unknown partition table |
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> |
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> . Further perusal of a log file showed this error first happened on |
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> 2012-11-29. It would appear /dev/md6 has been firing on one cylinder |
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> ever since, and I've been unaware of this. :-( |
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> |
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> What does it mean for sda6 to be "non-fresh"? |
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> |
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> /dev/md6 is my root partition (including /usr :-(), so I can't unmount |
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> it for investigation. |
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> |
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> Could somebody please suggest how I might go about repairing this |
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> problem. |
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|
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boot from systemrescuecd |
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mdadm -S /dev/md6 |
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mdadm -A /dev/md6 |
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|
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get some coffee. Make some popcorn. The resync will take some while. |
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|
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> |
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> Thanks! |
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-- |
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#163933 |
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