On 11/16/10 7:10 AM, Piotr Kandziora wrote: > Hi, > > Our environment is following: > - we have 24GB RAM, > - we are using 3ware controller (and it does not report any errors), > - we have one big logical volume (20TB) exported via NFS with large amount of small files (about 150k), > - we are doing periodically backup of this logical volume using rsync to another server. > - we have kernel 2.6.27.39, > > Unfortunately our system is freezing unexpectedly without reason. We started investigating this problem and noticed that cache memory is slowly increasing. > > We tried to dump this cache memory using: > /bin/echo "3" > /proc/sys/vm/drop_caches > > In a result, cache was dumped, but in logs we noticed a lot of errors with XFS: > > [kern.warning] kernel: xfs_iunlink_remove: xfs_inotobp() returned an error 22 on dm-16. Returning error. so this got EINVAL: #define EINVAL 22 /* Invalid argument */ > [kern.notice] kernel: xfs_inactive:\011xfs_ifree() returned an error = 22 on dm-16 > [kern.notice] kernel: xfs_force_shutdown(dm-16,0x1) called from line 1406 of file fs/xfs/xfs_vnodeops.c. Return address = 0x > [kern.alert] kernel: Filesystem \"dm-16\": I/O Error Detected. Shutting down filesystem: dm-16 which shut down the filesystem: > [kern.alert] kernel: Please umount the filesystem, and rectify the problem(s) leading to IO errors after that: #define EIO 5 /* I/O error */ > [kern.warning] kernel: xfs_imap_to_bp: xfs_trans_read_buf()returned an error 5 on dm-16. Returning error. > [kern.warning] kernel: xfs_imap_to_bp: xfs_trans_read_buf()returned an error 5 on dm-16. Returning error. > [kern.warning] kernel: xfs_imap_to_bp: xfs_trans_read_buf()returned an error 5 on dm-16. Returning error. > > We are wondering if this is problem connected to hardware or rather this is XFS problem (if yes, was it fixed?). I'd probably start with xfs_repair (with -n if you want a dry run) and see if it finds any metadata corruption, first. -Eric > Best regards > Piotr K > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs > _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
