[Lustre-discuss] Unexpect file system error during normal system works

Piotr Przybylo piotr_przybylo at polcom.com.pl
Thu Jun 16 05:33:57 PDT 2011


We have a problem with lustre, in connection with this I wanted to ask 
you, can you help us ?
We have a unexpect file system error during normal system working.
/
Jun 13 15:00:30 ossw12 kernel: LDISKFS-fs error (device dm-9):
mb_free_blocks: double-free of inode 82041293's block 346591170(bit 4034
in group 10577)
Jun 13 15:00:30 ossw12 kernel:
Jun 13 15:00:30 ossw12 kernel: Aborting journal on device dm-9.
Jun 13 15:00:30 ossw12 kernel: Remounting filesystem read-only
Jun 13 15:00:30 ossw12 kernel: LDISKFS-fs error (device dm-9):
mb_free_blocks: <3>LustreError:
4026:0:(fsfilt-ldiskfs.c:280:fsfilt_ldiskfs_start()) error starting
handle for op 8 (106 credits): rc -30
Jun 13 15:00:30 ossw12 kernel: double-free of inode 82041293's block
346591171(bit 4035 in group 10577)/


Jun 13 15:06:53 ossw12 kernel: LDISKFS-fs error (device dm-12):
mb_free_blocks: double-free of inode 90143054's block 125314561(bit 9729
in group 3824)
Jun 13 15:06:53 ossw12 kernel:
Jun 13 15:06:53 ossw12 kernel: Aborting journal on device dm-12.
Jun 13 15:06:53 ossw12 kernel: Remounting filesystem read-only
Jun 13 15:06:53 ossw12 kernel: ldiskfs_abort called.
Jun 13 15:06:53 ossw12 kernel: LDISKFS-fs error (device dm-12):
ldiskfs_journal_start_sb: Detected aborted journal
Jun 13 15:06:53 ossw12 kernel: Remounting filesystem read-only


Another try to mount file system:
/
Jun 13 15:12:24 ossw12 kernel: kjournald starting.  Commit interval 5
seconds
Jun 13 15:12:24 ossw12 kernel: LDISKFS-fs warning (device dm-9):
ldiskfs_clear_journal_err: Filesystem error recorded from previous
mount: IO failure
Jun 13 15:12:24 ossw12 kernel: LDISKFS-fs warning (device dm-9):
ldiskfs_clear_journal_err: Marking fs in need of filesystem check.
Jun 13 15:12:24 ossw12 kernel: LDISKFS-fs warning: mounting fs with
errors, running e2fsck is recommended
Jun 13 15:12:24 ossw12 kernel: LDISKFS FS on dm-9, internal journal
Jun 13 15:12:24 ossw12 kernel: LDISKFS-fs: recovery complete.
Jun 13 15:12:24 ossw12 kernel: LDISKFS-fs: mounted filesystem with
ordered data mode./

/
Jun 13 15:16:48 ossw12 kernel: kjournald starting.  Commit interval 5
seconds
Jun 13 15:16:48 ossw12 kernel: LDISKFS-fs warning (device dm-12):
ldiskfs_clear_journal_err: Filesystem error recorded from previous
mount: IO failure
Jun 13 15:16:48 ossw12 kernel: LDISKFS-fs warning (device dm-12):
ldiskfs_clear_journal_err: Marking fs in need of filesystem check.
Jun 13 15:16:48 ossw12 kernel: LDISKFS-fs warning: mounting fs with
errors, running e2fsck is recommended
Jun 13 15:16:48 ossw12 kernel: LDISKFS FS on dm-12, internal journal
Jun 13 15:16:48 ossw12 kernel: LDISKFS-fs: recovery complete.
Jun 13 15:16:48 ossw12 kernel: LDISKFS-fs: mounted filesystem with
ordered data mode./

How we can recover or repair data from this devices ?
fsck repair some errors, but then we try mount files system we have errors:
/
Jun 13 18:39:17 ossw12 kernel: LDISKFS-fs error (device dm-9): 
mb_free_blocks: double-free of inode 82041293's block 346591170(bit 4034 
in group 10577)
Jun 13 18:39:17 ossw12 kernel:
Jun 13 18:39:17 ossw12 kernel: Aborting journal on device dm-9.
Jun 13 18:39:17 ossw12 kernel: Remounting filesystem read-only
Jun 13 18:39:17 ossw12 kernel: LDISKFS-fs error (device dm-9): 
mb_free_blocks: double-free of inode 82041293's block 346591171(bit 4035 
in group 10577)
Jun 13 18:39:17 ossw12 kernel:
Jun 13 18:39:17 ossw12 kernel: LDISKFS-fs error (device dm-9): 
mb_free_blocks: double-free of inode 82041293's block 346591172(bit 4036 
in group 10577)/

Hardware doesnt report any problems.

-- 

Regards

| Piotr Przybylo | Technical Support Engineer | Polcom Sp z o.o. |
| ul. Krakowska 43 | 32-050 Skawina, Poland |
| mobile: +48609539945 | tel: +48 12 652 8682 |

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