Hi all.
I have two hosts with drbd:
kmod-drbd83-8.3.8-1.el5.centos
drbd83-8.3.8-1.el5.centos
and kernel (CentOS 5.7):
2.6.18-308.4.1.el5
After a recent upgrade of kernel I have had two sitiuations when my ext3
filesystem on /dev/drbd0 became read-only. I've checked disks with smartctl
-t long, they are ok. There are no messages with disks problems in
/var/log/messages | dmesg. I've made fsck tonight but 3 hours after it has
finished the problem repeated once more (under heavy load).
/var/log/messages:
May 6 06:22:27 srv1a kernel: EXT3-fs error (device drbd0):
htree_dirblock_to_tree: bad entry in directory #43024813: rec_len
% 4 != 0 - offset=73728, inode=1701012818, rec_len=30313, name_len=101
May 6 06:22:27 srv1a kernel: Aborting journal on device drbd0.
May 6 06:22:28 srv1a kernel: journal commit I/O error
May 6 06:22:28 srv1a kernel: ext3_abort called.
May 6 06:22:28 srv1a kernel: journal commit I/O error
May 6 06:22:28 srv1a kernel: EXT3-fs error (device drbd0):
ext3_journal_start_sb: Detected aborted journal
May 6 06:22:28 srv1a kernel: ext3_abort called.
May 6 06:22:28 srv1a kernel: EXT3-fs error (device drbd0):
ext3_journal_start_sb: Detected aborted journal
May 6 06:22:28 srv1a kernel: Remounting filesystem read-only
May 6 06:22:28 srv1a kernel: __journal_remove_journal_head: freeing
b_committed_data
May 6 06:22:28 srv1a kernel: __journal_remove_journal_head: freeing
b_committed_data
May 6 06:22:28 srv1a kernel: __journal_remove_journal_head: freeing
b_committed_data
May 6 06:22:28 srv1a kernel: journal commit I/O error
May 6 06:22:28 srv1a kernel: EXT3-fs error (device drbd0):
htree_dirblock_to_tree: bad entry in directory #43024813: rec_len
% 4 != 0 - offset=106496, inode=1701012818, rec_len=30313, name_len=101
May 6 06:22:28 srv1a kernel: EXT3-fs error (device drbd0):
htree_dirblock_to_tree: bad entry in directory #43024813: rec_len
% 4 != 0 - offset=204800, inode=1869116005, rec_len=29811, name_len=46
I've found:
https://bugzilla.redhat.com/show_bug.cgi?id=494927
There are some clues that it may be a kernel problem so I went back to:
2.6.18-274.7.1.el5
At the moment the situation is ok but I've read that the problem happens in
random circumstances.
Any clues what to do?
Best regards,
Rafal.
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