Monday, August 7, 2017

RMAN CrossCheck Command

The CROSSCHECK statement compares backup files on disk with entries in the catalog or controlfile.If a file is found in the catalog, but does not exist on disk it is marked as "EXPIRED".

To crosscheck all backups use:
RMAN> CROSSCHECK BACKUP;
To list any expired backups detected by the CROSSCHECK command use:
RMAN> LIST EXPIRED BACKUP;
To delete any expired backups detected by the CROSSCHECK command use:
RMAN> DELETE EXPIRED BACKUP;
To crosscheck all archive logs use:
RMAN> CROSSCHECK ARCHIVELOG ALL;
To list all expired archive logs detected by the CROSSCHECK command use:
RMAN> LIST EXPIRED ARCHIVELOG ALL;
To delete all expired archive logs detected by the CROSSCHECK command use:
RMAN> DELETE EXPIRED ARCHIVELOG ALL;
To crosscheck all datafile image copies use:
RMAN> CROSSCHECK DATAFILECOPY ALL;
To list expired datafile copies use:
RMAN> LIST EXPIRED DATAFILECOPY ALL;
To delete expired datafile copies use:
RMAN> DELETE EXPIRED DATAFILECOPY ALL;
To crosscheck all backups of the USERS tablespace use:
RMAN> CROSSCHECK BACKUP OF TABLESPACE USERS;
To list expired backups of the USERS tablespace:
RMAN> LIST EXPIRED BACKUP OF TABLESPACE USERS;
To delete expired backups of the USERS tablespace:
RMAN> DELETE EXPIRED BACKUP OF TABLESPACE USERS;

IAS Cache initialization failed

 Today I faced an Issue in R12.2 instance. The solution I followed to overcome the issue is very simple, but they are more than one solution...