• 【原创】rman 备份控制文件在autobackup设置为on和off时的区别


    注:此文章属原创,转载请注明出处,谢谢。

    数据库版本:oracle 10g (10.2.0.5.0)

    autobackup on: 备份控制文件controlfile时,会自动备份参数文件spfile

    autobackup off: 备份控制文件controlfile时,不会自动备份参数文件spfile

    RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON; ---- 开启自动备份功能

    new RMAN configuration parameters:
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    new RMAN configuration parameters are successfully stored

    RMAN> show all;

    RMAN configuration parameters are:
    CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
    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 1 BACKUP TYPE TO BACKUPSET; # default
    CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE MAXSETSIZE TO UNLIMITED; # default
    CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
    CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
    CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
    CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/snapcf_orcl.f'; # default

    RMAN> backup current controlfile;

    Starting backup at 03-JAN-18
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    including current control file in backupset
    channel ORA_DISK_1: starting piece 1 at 03-JAN-18
    channel ORA_DISK_1: finished piece 1 at 03-JAN-18
    piece handle=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/36snp37s_1_1 tag=TAG20180103T183747 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
    Finished backup at 03-JAN-18

    Starting Control File and SPFILE Autobackup at 03-JAN-18
    piece handle=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/c-1403607036-20180103-00 comment=NONE
    Finished Control File and SPFILE Autobackup at 03-JAN-18

    RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF; ---- 关闭自动备份功能

    old RMAN configuration parameters:
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    new RMAN configuration parameters:
    CONFIGURE CONTROLFILE AUTOBACKUP OFF;
    new RMAN configuration parameters are successfully stored

    RMAN> backup current controlfile;

    Starting backup at 03-JAN-18
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    including current control file in backupset
    channel ORA_DISK_1: starting piece 1 at 03-JAN-18
    channel ORA_DISK_1: finished piece 1 at 03-JAN-18
    piece handle=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/38snp38j_1_1 tag=TAG20180103T183811 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
    Finished backup at 03-JAN-18

    RMAN>

    RMAN> show all;

    RMAN configuration parameters are:
    CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
    CONFIGURE BACKUP OPTIMIZATION OFF; # default
    CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
    CONFIGURE CONTROLFILE AUTOBACKUP OFF;
    CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
    CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
    CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE MAXSETSIZE TO UNLIMITED; # default
    CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
    CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
    CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
    CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/snapcf_orcl.f'; # default

    RMAN>


    ---- autobackup off,备份数据文件1时,会自动备份控制文件和参数文件,并且datafile 1的备份集与控制文件和参数文件是分开的
    ---- controlfile和spfile备份的路径与数据文件的备份路径相同


    RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF;

    old RMAN configuration parameters:
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    new RMAN configuration parameters:
    CONFIGURE CONTROLFILE AUTOBACKUP OFF;
    new RMAN configuration parameters are successfully stored

    RMAN>
    RMAN> backup datafile 1;

    Starting backup at 03-JAN-18
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    input datafile fno=00001 name=/u02/oradata/orcl/system01.dbf
    channel ORA_DISK_1: starting piece 1 at 03-JAN-18
    channel ORA_DISK_1: finished piece 1 at 03-JAN-18
    piece handle=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/3bsnp3q3_1_1 tag=TAG20180103T184731 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    including current control file in backupset
    including current SPFILE in backupset
    channel ORA_DISK_1: starting piece 1 at 03-JAN-18
    channel ORA_DISK_1: finished piece 1 at 03-JAN-18
    piece handle=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/3csnp3qi_1_1 tag=TAG20180103T184731 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:04
    Finished backup at 03-JAN-18

    RMAN> list backup;


    List of Backup Sets
    ===================

    BS Key Type LV Size Device Type Elapsed Time Completion Time
    ------- ---- -- ---------- ----------- ------------ ---------------
    104 Full 366.76M DISK 00:00:10 03-JAN-18
    BP Key: 106 Status: AVAILABLE Compressed: NO Tag: TAG20180103T184731
    Piece Name: /u01/app/oracle/product/11.2.0/dbhome_1/dbs/3bsnp3q3_1_1
    List of Datafiles in backup set 104
    File LV Type Ckp SCN Ckp Time Name
    ---- -- ---- ---------- --------- ----
    1 Full 615672 03-JAN-18 /u02/oradata/orcl/system01.dbf

    BS Key Type LV Size Device Type Elapsed Time Completion Time
    ------- ---- -- ---------- ----------- ------------ ---------------
    105 Full 13.67M DISK 00:00:02 03-JAN-18
    BP Key: 107 Status: AVAILABLE Compressed: NO Tag: TAG20180103T184731
    Piece Name: /u01/app/oracle/product/11.2.0/dbhome_1/dbs/3csnp3qi_1_1
    Control File Included: Ckp SCN: 615675 Ckp time: 03-JAN-18
    SPFILE Included: Modification time: 03-JAN-18

    RMAN>

    RMAN> backup datafile 1 format '/backup/rman/dat1.bak.%U';

    Starting backup at 03-JAN-18
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    input datafile fno=00001 name=/u02/oradata/orcl/system01.dbf
    channel ORA_DISK_1: starting piece 1 at 03-JAN-18
    channel ORA_DISK_1: finished piece 1 at 03-JAN-18
    piece handle=/backup/rman/dat1.bak.3jsnp4jh_1_1 tag=TAG20180103T190105 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:04:27
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    including current control file in backupset
    including current SPFILE in backupset
    channel ORA_DISK_1: starting piece 1 at 03-JAN-18
    channel ORA_DISK_1: finished piece 1 at 03-JAN-18
    piece handle=/backup/rman/dat1.bak.3ksnp4rs_1_1 tag=TAG20180103T190105 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
    Finished backup at 03-JAN-18

    RMAN>


    ---- autobackup on,备份数据文件1时,也会自动备份控制文件和参数文件,并且datafile 1的备份集与控制文件和参数文件也是分开的
    ---- 但是controlfile和spfile是备份到自动备份的路径中,与数据文件的备份路径不同

    RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON;

    old RMAN configuration parameters:
    CONFIGURE CONTROLFILE AUTOBACKUP OFF;
    new RMAN configuration parameters:
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    new RMAN configuration parameters are successfully stored

    RMAN>

    RMAN> backup datafile 1 ;

    Starting backup at 03-JAN-18
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    input datafile fno=00001 name=/u02/oradata/orcl/system01.dbf
    channel ORA_DISK_1: starting piece 1 at 03-JAN-18
    channel ORA_DISK_1: finished piece 1 at 03-JAN-18
    piece handle=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/3dsnp3t6_1_1 tag=TAG20180103T184910 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15
    Finished backup at 03-JAN-18

    Starting Control File and SPFILE Autobackup at 03-JAN-18
    piece handle=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/c-1403607036-20180103-01 comment=NONE
    Finished Control File and SPFILE Autobackup at 03-JAN-18

    RMAN> list backup;


    List of Backup Sets
    ===================

    BS Key Type LV Size Device Type Elapsed Time Completion Time
    ------- ---- -- ---------- ----------- ------------ ---------------
    106 Full 366.76M DISK 00:00:10 03-JAN-18
    BP Key: 108 Status: AVAILABLE Compressed: NO Tag: TAG20180103T184910
    Piece Name: /u01/app/oracle/product/11.2.0/dbhome_1/dbs/3dsnp3t6_1_1
    List of Datafiles in backup set 106
    File LV Type Ckp SCN Ckp Time Name
    ---- -- ---- ---------- --------- ----
    1 Full 616023 03-JAN-18 /u02/oradata/orcl/system01.dbf

    BS Key Type LV Size Device Type Elapsed Time Completion Time
    ------- ---- -- ---------- ----------- ------------ ---------------
    107 Full 13.67M DISK 00:00:01 03-JAN-18
    BP Key: 109 Status: AVAILABLE Compressed: NO Tag: TAG20180103T184926
    Piece Name: /u01/app/oracle/product/11.2.0/dbhome_1/dbs/c-1403607036-20180103-01
    Control File Included: Ckp SCN: 616033 Ckp time: 03-JAN-18
    SPFILE Included: Modification time: 03-JAN-18

    RMAN>


    RMAN> backup datafile 1 format '/backup/rman/dat1.bak.%U';

    Starting backup at 03-JAN-18
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting full datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    input datafile fno=00001 name=/u02/oradata/orcl/system01.dbf
    channel ORA_DISK_1: starting piece 1 at 03-JAN-18
    channel ORA_DISK_1: finished piece 1 at 03-JAN-18
    piece handle=/backup/rman/dat1.bak.3hsnp4gt_1_1 tag=TAG20180103T185941 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15
    Finished backup at 03-JAN-18

    Starting Control File and SPFILE Autobackup at 03-JAN-18
    piece handle=/u01/app/oracle/product/11.2.0/dbhome_1/dbs/c-1403607036-20180103-03 comment=NONE
    Finished Control File and SPFILE Autobackup at 03-JAN-18

    RMAN>

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  • 原文地址:https://www.cnblogs.com/fengaix6/p/8187989.html
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