【正文】 ir/39。39。 7 } 39 Copyright 169。/u01/oradata/39。 2023, Oracle. All rights reserved. Additional RMAN CommandLine Arguments ? Writing RMAN output to a log file ? Executing a mand file when RMAN is invoked ? Establishing database connections on RMAN startup $ rman TARGET sys/oracle CMDFILE=$HOME/scripts/ $ rman TARGET sys/oracle LOG=$HOME/oradata/u03/ APPEND $ rman TARGET SYS/sys_pwdorcl CATALOG rman/rmanrcat 25 Copyright 169。 2023, Oracle. All rights reserved. Using a Flash Recovery Area with RMAN You can configure RMAN to use the flash recovery area. Database area RMAN backup process Flash recovery area DB_RECOVERY_FILE_DEST = 39。 2023, Oracle. All rights reserved. Media Management Recovery Manager Media management server software Media management library Server session (channel) Oracle Secure Backup with builtin MML Or 11 Copyright 169。 export ORACLE_SID $ rman target / rman target sys/passwordDB01 Windows NT: C:\ set ORACLE_SID=DB01 C:\ rman target / 24 Copyright 169。 3 BACKUP DATAFILE 39。alter system archive log current39。 RMAN BACKUP AS COPY 4 ARCHIVELOG LIKE 39。 2023, Oracle. All rights reserved. Enabling Block Change Tracking SQL ALTER DATABASE ENABLE 2 BLOCK CHANGE TRACKING 3 USING FILE 39。 2023, Oracle. All rights reserved. REPORT NEED BACKUP Command ? Lists all data files that require a backup ? Assumes that the most recent backup is used during a restore ? Provides four options: – Incremental – Days – Redundancy – Recovery window ? Uses the current retention policy configuration if no options are specified 63 Copyright 169。 2023, Oracle. All rights reserved. RMAN Dynamic Views ? V$ARCHIVED_LOG ? V$BACKUP_CORRUPTION ? V$BACKUP_DEVICE ? V$BACKUP_FILES ? V$BACKUP_PIECE ? V$BACKUP_REDOLOG ? V$BACKUP_SET ? V$BACKUP_SPFILE ? V$COPY_CORRUPTION ? V$RMAN_CONFIGURATION 68 Copyright 169。 RMAN LIST COPY OF DATABASE ARCHIVELOG 2 FROM TIME=39。 Archived log file copies SPFILE Control file Data file copies 54 Copyright 169。 2023, Oracle. All rights reserved. Image Copy Copy of data file 3 Copy of archived log Data file 3 Archived log file Data file 3 Archived log file RMAN BACKUP AS COPY 2 DATAFILE 39。 2023, Oracle. All rights reserved. Job Commands: Example Job mands appear inside a RUN mand block: RMAN RUN { 2 BACKUP AS BACKUPSET 3 FORMAT 39。 31 Copyright 169。 2023, Oracle. All rights reserved. Setting Parameters That Affect RMAN ? Database initialization parameters – CONTROL_FILE_RECORD_KEEP_TIME – DB_RECOVERY_FILE_DEST and DB_RECOVERY_FILE_DEST_SIZE, if using the flash recovery area ? Environment variables – NLS_DATE_FORMAT – NLS_LANG 21 Copyright 169。 2023, Oracle. All rights reserved. Server session Channel Server session Enterprise Manager Recovery Manager Components Target database Recovery catalog database Auxiliary database Disk Flash recovery area Channel Channel MML Options Recovery Manager (RMAN) 5 Copyright 169。 2023, Oracle. All rights reserved. Flash Recovery Area Space Usage ? Configure the retention policy to the minimum value appropriate for your database. ? Back up the archive log files regularly and delete the files upon pletion of the backup. ? Use the RMAN REPORT OBSOLETE and DELETE OBSOLETE mands to remove backups and file copies that are not required. 15 Copyright 169。 2023, Oracle. All rights reserved. ? A retention policy describes which backups will be kept and for how long. ? There are two types of retention policies: – Recovery window: Establishes a period of time within which pointintime recovery must be possible – Redundancy: Establishes a fixe