RMANバックアップ

4990 ワード

RMANバックアップの概要

  • 特定のデバイスタイプ
  • にバックアップ
    [oracle@XAG128 ~]$ rman target  c##backup_admin/xag123;
    
    RMAN> show all;
    using target database control file instead of recovery catalog
    RMAN configuration parameters for database with db_unique_name MPCDB are:
    CONFIGURE RETENTION POLICY TO REDUNDANCY 3;
    CONFIGURE BACKUP OPTIMIZATION OFF; # default
    CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
    CONFIGURE DEVICE TYPE DISK PARALLELISM 2 BACKUP TYPE TO COMPRESSED BACKUPSET;
    CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE CHANNEL DEVICE TYPE DISK MAXPIECESIZE 1 G MAXOPENFILES 8 RATE 100 M;
    CONFIGURE CHANNEL 1 DEVICE TYPE DISK MAXPIECESIZE 2 G MAXOPENFILES 16 RATE 200 M;
    CONFIGURE MAXSETSIZE TO UNLIMITED; # default
    CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
    CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
    CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
    CONFIGURE RMAN OUTPUT TO KEEP FOR 6 DAYS;
    CONFIGURE ARCHIVELOG DELETION POLICY TO BACKED UP 2 TIMES TO DISK;
    CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/12.2.0/db_1/dbs/snapcf_MPCDB.f'; # default
    
    # 
    RMAN> backup device type disk database;
    
  • バックアップ圧縮有効(as compressed backupset)
  • # tag='bak_2'  
    RMAN> 
    backup device type disk tag 'bak_1' as compressed backupset database;
    or
    backup device type disk tag='bak_1' as compressed  backupset database;
    
    # 
    RMAN> backup device type disk tag='bak_3' as compressed  backupset database skip readonly;
    
  • バックアップアーカイブ
  • #    , (delete input    configure archivelog deletion policy to backed up 2 times to device type disk  )
    RMAN> backup archivelog all not backed up 2 times delete input;
    
    RMAN> backup tag='arc_1' archivelog all not backed up 2 times delete input;
    
    
  • バックアップデータ+アーカイブ
  • #     ,delete input  (delete input    configure archivelog deletion policy to backed up 2 times to device type disk  )
    
    RMAN> backup device type disk tag='bak5' as compressed  backupset database skip readonly plus archivelog not backed up 2 times delete input;
    
  • バックアップデータ+アーカイブ+制御ファイル
  • RMAN> backup device type disk tag='bak7' as compressed  backupset database include current controlfile skip readonly plus archivelog not backed up 2 times delete input;
    or
    backup device type disk tag='bak7' as compressed  backupset database include current controlfile skip readonly;
    backup device type disk tag='arc7' archivelog from time 'sysdate - 1';
    
  • バックアップセットを2つ保持(その他の削除)
  • RMAN> delete noprompt obsolete redundancy = 2 device type disk;
    
    # 2 
    delete noprompt archivelog all completed before 'trunc(sysdate)-2';
    
  • 列パラメータファイル、制御ファイルバックアップ情報
  • # 
    RMAN> list backup of spfile;
    using target database control file instead of recovery catalog
    List of Backup Sets
    ===================
    BS Key  Type LV Size       Device Type Elapsed Time Completion Time   
    ------- ---- -- ---------- ----------- ------------ ------------------
    ...
    
    362     Full    18.03M     DISK        00:00:00     2018:12:1518:39:31
            BP Key: 362   Status: AVAILABLE  Compressed: NO  Tag: TAG20181215T183931
            Piece Name: /u03/fra/MPCDB/autobackup/2018_12_15/o1_mf_s_994963171_g19ph3bf_.bkp
      SPFILE Included: Modification time: 2018:12:1518:37:12
      SPFILE db_unique_name: MPCDB
    
    # 
    RMAN> list backup of controlfile;
    List of Backup Sets
    ===================
    BS Key  Type LV Size       Device Type Elapsed Time Completion Time   
    ------- ---- -- ---------- ----------- ------------ ------------------
    ...
    362     Full    18.03M     DISK        00:00:00     2018:12:1518:39:31
            BP Key: 362   Status: AVAILABLE  Compressed: NO  Tag: TAG20181215T183931
            Piece Name: /u03/fra/MPCDB/autobackup/2018_12_15/o1_mf_s_994963171_g19ph3bf_.bkp
      Control File Included: Ckp SCN: 1948014      Ckp time: 2018:12:1518:39:31
    
  • rmanコマンド呼び出しコマンドスクリプト実行バックアップ
  • [oracle@XAG128 ~]$ mkdir rman_log/
    
    [oracle@XAG128 ~]$ cat backup1.cmd
    backup device type disk tag=&1 archivelog from time 'sysdate - 1';
    quit
    
    [oracle@XAG128 ~]$ cat backup1.sh
    #!/bin/bash
    baktime=`date "+%Y%m%d_%H%M"`
    logfile=/home/oracle/rman_log/$baktime.log
    tag=arc_$baktime
    rman target  c##backup_admin/xag123 @backup1.cmd using $tag log=$logfile
    
    [oracle@XAG128 ~]$ chmod +x backup1.sh
    
    [oracle@XAG128 ~]$ ls
    backup1.cmd  backup1.sh  rman_log
    
    [oracle@XAG128 ~]$ ./backup1.sh 
    RMAN> 2> 
     
    [oracle@XAG128 ~]$ ls /home/oracle/rman_log/
    20181216_1310.log