How to clear the pinned cache in Exadata

1. Validate if there is a cache pinned for any device, running command: /opt/MegaRAID/MegaCli/MegaCli64 -GetPreservedCacheList -a0 2. Discard the cache: #/opt/MegaRAID/MegaCli/MegaCli64 -DiscardPreservedCache -L11 -force -a0 The flag -L will specify the Virtual Disk / Target ID 3. Validate that cache was discarded: /opt/MegaRAID/MegaCli/MegaCli64 -GetPreservedCacheList -a0 a) The following is reported if cache has been discarded successfully: Exit Code: 0x00