Cache fusion Recovery

RAC 11gR2  

Internal Cache Fusion Recovery.

1. Instance crash

2. GRD Lock Freez

3. GES reconfigure

4. DLM recovery Perform

5. GCS (PCM remastered)

6. Pending Writes and Notification are processed

7. SINGLE PASS RECOVERY FOLLOW
Instance recovery lock is acquired by SMON.
Recovery set prepaired and built.SMON PGA allocate.
SMON acquires locks on buffer that need recovery.

8. TWO PASS RECOVERY
DB is partially available.
Blocks are made available as they are recovered.
Lock Release by SMON.Recovery is complete.
System is available.