RAC OCR and OLR

Oracle Grid/ClusterWare OCR (Cluster Registry) and OLR (Local Registry) commands. ocrcheck : Lists the locations of the OCR and checks for corruption (run as root to check for logical corruption as well) ocrconfig -add DG Name (e.g. ocrconfig -add +DATA) : Adds a new copy of the OCR in the stated ASM DG ocrconfig -delete DG Name : Deletes a copy of the OCR from the ASM DG cat /etc/oracle/olr.loc : Shows the location of the OLR ocrcheck -local : Checks the OLR ocrconfig -showbackup : Shows the default location of OCR backups ocrconfig -manualbackup : Create a manual backup of the OCR (use asmcmd to copy the backup out from ASM to Filesystem) ocrconfig -local -showbackuploc : Shows the location of OLR backups ocrconfig -local -manualbackup : Create a manual backup of the OLR ocrconfig -local -export : Create an Export backup of the OLR