3.5.3 Enabling and Disabling Write-Back PMEM Cache

Prior to Oracle Exadata System Software release 23.1.0, you can configure PMEM cache to operate in write-back mode. Also known as write-back PMEM cache, this mode enables the cache to service write operations.

Note:

The best practice recommendation is to configure PMEM cache in write-through mode. This configuration provides the best performance and availability.

Commencing with Oracle Exadata System Software release 23.1.0, PMEM cache only operates in write-through mode.

• Enable Write-Back PMEM Cache
  
• Disable Write-Back PMEM Cache
  Use these steps if you need to disable Write-Back PMEM cache on the storage servers.