1. System Overview
  2. What's New in Oracle Exadata Database Machine
  3. New Features for Oracle Exadata System Software Release 23.x
  4. What's New in Oracle Exadata System Software Release 23.1
  5. Desupported Features in Oracle Exadata System Software Release 23.1.0

3.1.7 Desupported Features in Oracle Exadata System Software Release 23.1.0

The following features are no longer available in Oracle Exadata System Software release 23.1.0:

  • 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.

    However, since Oracle Exadata System Software release 20.1.0, the best practice recommendation was 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.

    When a system upgrades to Oracle Exadata System Software release 23.1.0, PMEM cache is automatically flushed and converted to write-through mode if required.

  • Cell RAM Cache. See Deprecation of RAM Cache.

  • USB Images. See Deprecation of USB Images.

Parent topic: What's New in Oracle Exadata System Software Release 23.1