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RMAN Restore Clause
Restore RMAN backups and copies.
Syntax:
RESTORE [(] restoreObject [(restoreSpecOperand [restoreSpecOperand]...] [)]... [ CHANNEL ['] channel_id ['] | PARMS [=] 'channel_parms' | FROM { BACKUPSET | DATAFILECOPY } | untilClause | FROM TAG [=] ['] tag_name ['] | VALIDATE | DEVICE TYPE deviceSpecifier [, deviceSpecifier]... . . . ]...; restoreObject::= { CONTROLFILE [TO 'filename'] | DATABASE [SKIP [FOREVER] TABLESPACE ['] tablespace_name ['] [, ['] tablespace_name [']]... ] | DATAFILE datafileSpec [, datafileSpec]... | TABLESPACE ['] tablespace_name ['] [, ['] tablespace_name [']]... | archivelogRecordSpecifier | SPFILE [TO [PFILE] 'filename'] } restoreSpecOperand::= { CHANNEL ['] channel_id ['] | FROM TAG [=] ['] tag_name ['] | PARMS [=] 'channel_parms' | FROM { AUTOBACKUP [{ MAXSEQ | MAXDAYS } [=] integer)]... | 'media_handle' } } Examples Restore and recover the whole database RMAN> STARTUP FORCE MOUNT; RMAN> RESTORE DATABASE; RMAN> RECOVER DATABASE; RMAN> ALTER DATABASE OPEN; Restore and recover a tablespace RMAN> SQL 'ALTER TABLESPACE users OFFLINE'; RMAN> RESTORE TABLESPACE users; RMAN> RECOVER TABLESPACE users; RMAN> SQL 'ALTER TABLESPACE users ONLINE'; Restore and recover a datafile RMAN> SQL 'ALTER DATABASE DATAFILE 64 OFFLINE'; RMAN> RESTORE DATAFILE 64; RMAN> RECOVER DATAFILE 64; RMAN> SQL 'ALTER DATABASE DATAFILE 64 ONLINE';
Restore the control file, (to all locations specified in the parameter file) then restore the database, using that control file:
STARTUP NOMOUNT;
RUN
{
ALLOCATE CHANNEL c1 DEVICE TYPE sbt;
RESTORE CONTROLFILE;
ALTER DATABASE MOUNT;
RESTORE DATABASE;
}
Restore Validation confirms that a restore could be run, by confirming
that all database files exist and are free of physical and logical corruption,
this does not generate any output.
Example:
RMAN> RESTORE DATABASE VALIDATE;
"Don't count the days,
make the days
count" - Muhammad
Ali
Related Commands:
BACKUP - Back up database files, archive
logs, backups, or copies.
CROSSCHECK - Check whether backup items still exist.
LIST - List backups and copies
RECOVER - Perform media recovery from RMAN backups and copies.
REPORT - Report backup status: database, files, backups
RUN - Some RMAN commands are only valid inside a RUN block.
SET - Settings for the current RMAN session.
SHOW - Display the current configuration
Related Views: