Number Severity Description/Recommended actions
The indicated disk experienced a number of disk errors in excess of a configured threshold. Because the disk
is part of a non-fault tolerant disk group, the system has set the disk status to degraded instead of failed.
Recommended actions:
• Monitor the disk.
Warning The system determined that the indicated disk is degraded because it experienced a number of disk errors in
excess of a configured threshold.
The indicated disk experienced a number of disk errors in excess of a configured threshold. Because the disk
is part of a non-fault tolerant disk group, the system has set the disk status to degraded instead of failed.
Recommended actions:
• Monitor the disk.
535 Warning A disk was placed into a FAILED state after the controller detected a protection information error.
Recommended actions:
• Replace the failed disk and return the other controller to operation.
536 Info. A disk protection information error was detected by the controller, but retries were successful. No further
recovery action was necessary.
Recommended actions:
• No action is required.
537 Warning A disk was placed into a FAILED state after the disk reported a protection information error.
Recommended actions:
• Replace the failed disk.
538 Info. A protection information error was reported by the disk, but retries were successful. No further recovery
action was necessary.
Recommended actions:
• No action is required.
539 Info. For the indicated disk group, which was corrupted, the 'recreate' step of the group recovery was not
successful or the 'recreate' step of the disk group recovery succeeded.
Recommended actions:
• Verify that expected volumes have been recovered.
• If the expected volumes were not recovered, the "recover volume" command may be used.
• After verifying volume recovery, complete disk group recovery by running the 'recover disk-group
complete' command.
540 Info. The indicated volume, which was corrupted, has been recovered.
Recommended actions:
• After verifying volume recovery, complete disk group recovery by running the 'recover disk-group
complete' command.
541 Info. For the indicated disk group, which was corrupted, the 'complete' step of the disk group recovery succeeded.
Recommended actions:
• No action is required.
542 Critical A data block was fenced by the controller due to lost data.
Event 543 will also be logged to describe volume information for the fenced data block.
Recommended actions:
• Perform recovery procedures, which may include restoring from backups.
Events and event messages 115
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