Lustre discuss - Mar 2011 - ldiskfs_valid_block_bitmap: Invalid block bitmap

One of our OSTs reported that error and as result was remounted read-only.
This happened already twice within last 7 days but on different OSTs.

Mar  3 07:10:48 oss13 kernel: LDISKFS-fs error (device dm-2):
ldiskfs_valid_block_bitmap: Invalid block bitmap - block_group = 20677,
block = 677543938

It looks like filesystem has been corrupted but there is nothing in the logs
suggesting a hardware problem with the backend storage (DDN).

There is also a bugzilla ticket
https://bugzilla.lustre.org/show_bug.cgi?id=23959 but has not been much
progress there and I don''t know if anyone actually works on that
tickets in
bugzilla at the moment.

BTW my OSS runs CentOS5.5 and Lustre-1.8.4

I would be grateful for some suggestions.

Wojciech
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
http://lists.lustre.org/pipermail/lustre-discuss/attachments/20110303/4a555ef5/attachment.html