HP ProLiant Gen8 Troubleshooting Guide Volume II: Error Messages

HP ProLiant server errors 90
1797-Slot X Drive Array - Write-Back Cache Restore Previously Failed...
...Caching is disabled.
Audible beeps: None
Possible causes:
• An issue occurred with reading from the Write-Back Cache.
• A failure occurred with writing to the DDR memory.
• A failure occurred with reading or writing to the meta data stored in the Write-Back Cache.
Action: Replace the DIMM.
1797-Slot X Drive Array - Write-Back Cache Read Error Occurred...
...Data in Cache has been lost. Caching is disabled.
Audible Beeps: None
Possible Cause: Hard parity error detected while reading data from posted-writes memory.
Action: Replace the Write-Back Cache.
1797-Slot X Drive Array - Array Accelerator Data Backup Previously Failed
Audible beeps: None
Possible causes:
• Super-cap could not provide the energy needed to complete the backup.
• The data could not be copied to the NAND flash memory.
• The meta data stored in the NAND flash memory could not be read or written.
Action: Replace the DIMM.
1797-Slot X Drive Array - Array Accelerator Data Restore Previously Failed...
...Array Accelerator is disabled.
Audible beeps: None
Possible causes:
• An issue occurred with reading from the NAND flash memory.
• A failure occurred with writing to the DDR memory.
• A failure occurred with reading or writing to the meta data stored in the NAND flash memory.
Action: Replace the DIMM
1797-Slot X Drive Array - Array Accelerator Read Error Occurred...
...Data in Array Accelerator has been lost.
Array Accelerator is disabled.
Audible Beeps: None
Possible Cause: Hard parity error detected while reading data from posted-writes memory.
Action: Replace the array accelerator daughter board.