Number Severity Description/Recommended actions
The midplane’s memory is used to store the FDE lock key.
Recommended actions:
• The midplane may need to be replaced if the error persists.
522 Warning A scrub-disk-group job encountered an error at the indicated logical block address.
The event message always includes the disk group name and the logical block address of the error within that
disk group. If the block with an error falls within the LBA range used by a volume, the event message also
includes the volume name and the LBA within that volume.
Recommended actions:
• Examine event 207 that was logged previously to this event. Follow the recommended actions for that
event.
523 Info. This event provides additional details associated with a scrub-disk-group job, expanding on the information in
event 206, 207, or 522.
Recommended actions:
• Follow the recommended actions for the associated event.
524 Error A temperature or voltage sensor reached a critical threshold.
A sensor monitored a temperature or voltage in the critical range. When the problem is resolved, event 47 is
logged for the component that logged event 524.
If the event refers to a disk sensor, disk behavior may be unpredictable in this temperature range.
Check the event log to determine if more than one disk has reported this event.
• If multiple disks report this condition there could be a problem in the environment.
• If one disk reports this condition, there could be a problem in the environment or the disk has failed.
Recommended actions:
• Check that the storage system’s fans are running.
• Check that the ambient temperature is not too warm. The controller enclosure operating range is 5°C to
35°C (41°F to 95°F). The expansion enclosure operating range is 5°C to 40°C (41°F to 104°F).
• Check for any obstructions to the airow.
• Check that there is a module or blank plate in every module slot in the enclosure.
• If none of the above explanations apply, replace the disk or controller module that logged the error.
525 Info. A drawer has been stopped by a user.
The drawer has powered down and may be safely removed. A rescan must complete before the updated
drawer information will be available.
Recommended actions:
• Restart the drawer using the start drawer command, or remove the drawer for replacement.
526 Info. A drawer has been started by a user.
The drawer has powered up. Disks in the drawer may take a few minutes to spin up. A rescan must complete
before the updated drawer information will be available.
Recommended actions:
• No action is required.
527 Error Expander Controller (EC) rmware is incompatible with the enclosure.
Events and event messages 123
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