RAC voting disk
Starting and stopping RAC
Configuring client connections for RAC. Using client-side failover and TAF. Doc ID: ID 453293.1
Duplicating database with RMAN
Monitoring tablespaces usage
Contents of UNDO tablespace
Sqlplus formatting
Enabling archivelog for RAC
http://www.idevelopment.info/data/Oracle/DBA_tips/Oracle10gRAC/CLUSTER_30.shtml
Installing RAC 11.2.0.4 on Virtualbox and Linux 6
Securing Oracle DB