[Lustre-discuss] OST crash with group descriptors corrupted

Brian J. Murrell Brian.Murrell at Sun.COM
Tue Mar 10 07:04:24 PDT 2009


On Tue, 2009-03-10 at 18:14 +0800, thhsieh wrote:
> Hello,

Hi.

> Thanks very much for your kindly reply.

NP.

> We did the e2fsck (version 1.41.4) on all the OST partitions.

You did that with or without "-n" in the command arguments?

> [80083.964462] LDISKFS-fs: group descriptors corrupted!
> [81423.119834] LDISKFS-fs error (device sdb1): ldiskfs_check_descriptors: Checksum for group 11165 failed (0!=20224)

Hrm.  I don't know enough about the innards of ext3 to parse that.
Maybe (well, no maybes about it) Andreas will know if he is reading.

> We tried e2fsck with superblock 32768, but after some error
> corrections again we encounter the same problem.

Again, with our without e2fsck's "-n" argument?

b.

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