- The system hung, or file systems are no longer accessible.
- Unable to write to one or more filesystems.
- Server appears to have spontaneously rebooted
The console and /var/log/messages logs show messages like:
scsi4 (0:0): rejecting I/O to offline device [ ... ] sd 1:0:0:5: [sdf] Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatically remap LUN assignments. [ ... ] sd 1:0:0:2: rejecting I/O to offline device [ ... ] sd 1:0:0:4: Device offlined - not ready after error recovery [ ... ] EXT3-fs (server): I/O error while writing superblock [ ... ] JBD: Spotted dirty metadata buffer (dev = server, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
- Red Hat Enterprise Linux
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