1797-Slot X Drive Array – Write-Back Cache Read Error Occurred

Symptom

1797-Slot X Drive Array – Write-Back Cache Read Error Occurred. Data in Cache has been lost. Caching is disabled.

Cause

  • An issue occurred reading from the write-back cache.

  • A failure occurred writing to the DDR memory.

  • A failure occurred reading or writing to the metadata stored in the write-back cache.

Hard parity error detected while reading data from posted-writes memory.

Action
  1. Use iLO to verify that the HPE Smart Storage battery is charged, and that the charge is sufficient to enable caching
  2. Verify that the cache module is seated properly.
  3. Reseat the cache module.
  4. Replace the cache module.
  5. If the data is corrupt, restore data from a previous backup.

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