Oracle RAC IntelliSnap Troubleshooting - Latency occurs for releasing file descriptors by ASM instance during dismounting of ASM diskgroups

On Oracle version 11.2.02, there is a latency for releasing file descriptors by ASM instance during dismounting of ASM diskgroups.

Apply the following patch on Oracle version 11.2.02 to resolve the latency issue:

Patch:11666137

https://updates.oracle.com/download/11666137.html