what are possible reasons for the shutdown of a xfs filesystem?
Jun 21 14:28:48 probiernix4 kernel: xfs_force_shutdown(md(9,0),0x1)
called from line 4069 of file xfs_bmap.c. Return address = 0xc0181890
Jun 21 14:28:48 probiernix4 kernel: I/O Error Detected. Shutting down
Jun 21 14:28:48 probiernix4 kernel: Please umount the filesystem, and
rectify the problem(s)
The system runs xfs (cvs version from jun, 11th), the filesystem is on
scsi-drives (raid1) exported via nfs. At the time the error occured two
clients had the fs mounted, one creating and deleting directories and
randomly, the other one copying them to /dev/null.
After that error message the filesystem was still mounted and df showed
percents of filesystem usage, but the mount point was empty. After
it and running xfs_repair we found some files and dirs in lost+found.