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1、RMANBackupsObjectivesAftercompletingthislesson,youshouldbeabletodothefollowing:IdentifytypesofRMANspecificbackupsUsetheRMANBACKUPcommandtocreatebackupsetsBackupthecontrolfileBackupthethearchivedredologfilesUsetheRMANCOPYcommandtocreateimagecopiesRMANBackupC
2、onceptsRecoveryManagerbackupisaserver-managedbackupRecoveryManagerusesOracleserversessionsforbackupoperationsIncludesdatabase,tablespaces,datafiles,controlfiles,archivedredologfilesCloseddatabasebackupTargetdatabasemustbemounted(notopen)Includesdatafiles,co
3、ntrolfiles,archivedredologfilesOpendatabasebackupTablespacesshouldnotbeputinbackupmodeIncludesdatafiles,controlfiles,archivedredologfilesArchivedLogfileDatafile3RecoveryManagerBackupsCopyofdatafile3CopyofarchivedlogImagecopyBackupsetBackup set1Backup set2Ba
4、ckup set3Datafile1Datafile2Datafile3Datafile4Control fileDatafile4Control fileDatafile1Datafile2Datafile3Datafile3ArchivedLogfileControlfileControlfileCopyofcontrolfileBackupSetsBackup set1Backup set2Backup set3Datafile1Datafile2Datafile3Datafile4Control fi
5、leDatafile4Control fileDatafile1Datafile2Datafile3CharacteristicsofBackupSetsTheBACKUPcommandcreatesbackupsets.Backupsetsusuallycontainmorethanonefile.Backupsetscanbewrittentoadiskortape.Arestoreoperationisrequiredtoextractfilesfromabackupset.Datafilebackup
6、setscanbeincrementalorfull.Backupsetsdonotincludenever-usedblocks.BackupPieceBackupset1(Logical)Piece2(file)Piece1(file)Datafile1Datafile4Datafile5Piece1(file)Datafile2Datafile3Datafile9Backupset2(Logical)Abackuppieceisafileinabackupset.Abackuppiececanconta
7、inblocksfrommorethanonedatafile.Tape1Tape2Server process (channel)MMLServer process (channel)MMLTheBACKUPCommandRMAN>BACKUP 2>FORMAT'/BACKUP/df_%d_%s_%p.bus' 3>DATABASEfilesperset=2;Backup set1Backup set2Backup set3Datafile1Datafile2Datafile3Datafile4Contro
8、l fileDatafile4Control fileDatafile1Datafile2Datafile3BackupPieceSizeBackuppiecesizecanbelimitedasfollows:RMAN>RUN{2>ALLOCATECHANNELt1TYPE'SBT_TAPE'3>MAXPIECESIZE=4G;4>BACKUP5>FORMAT'df_%t_%s_%p'FILESP
