1797-Slot X Drive Array – Write-Back Cache Backup Previously Failed

Symptom

1797-Slot X Drive Array - Flash Backed Write Cache module read or backup error occurred. Action: Replace Flash Backed Write Cache module.

Cause

• HPE Smart Storage Battery pack was not sufficiently charged to provide backup power for the cache module.
• The data could not be copied to the Write-Back Cache.
• The metadata stored in the Write-Back Cache could not be read or written.

Action

1. Use iLO to check the HPE Smart Storage Battery charge. Verify that the battery charge is sufficient to enable caching.
2. Be sure the cache module is seated properly.
3. Reseat the cache module.
4. Replace the cache module.

For more information, see the server maintenance and service guide on the Hewlett Packard Enterprise website.