RMAN 备份（一）

一. 连接目标数据库

方法一：

[oracle@oracle ~]$ rman target / Recovery Manager: Release 10.2.0.1.0 - Production on Mon Sep 26 08:20:38 2011 Copyright (c) 1982, 2005, Oracle.  All rights reserved. connected to target database: FANTLAM (DBID=1798948061) RMAN>

 

方法二：

[oracle@oracle ~]$ rman Recovery Manager: Release 10.2.0.1.0 - Production on Mon Sep 26 08:26:43 2011 Copyright (c) 1982, 2005, Oracle.  All rights reserved. RMAN> connect target / connected to target database: FANTLAM (DBID=1798948061) RMAN>

二 .Rman的简单命令

RMAN> report schema; using target database control file instead of recovery catalog Report of database schema List of Permanent Datafiles =========================== File Size(MB) Tablespace           RB segs Datafile Name ---- -------- -------------------- ------- ------------------------ 1    480      SYSTEM               ***     /fantlam/oradata/fantlam/system01.dbf 2    25       UNDOTBS1             ***     /fantlam/oradata/fantlam/undotbs01.dbf 3    240      SYSAUX               ***     /fantlam/oradata/fantlam/sysaux01.dbf 4    5        USERS                ***     /fantlam/oradata/fantlam/users01.dbf 5    100      EXAMPLE              ***     /fantlam/oradata/fantlam/example01.dbf List of Temporary Files ======================= File Size(MB) Tablespace           Maxsize(MB) Tempfile Name ---- -------- -------------------- ----------- -------------------- 1    21       TEMP                 32767       /fantlam/oradata/fantlam/temp01.dbf RMAN>

三.Rman备份的文件类型

3.1  数据文件

 

RMAN> backup datafile 4; Starting backup at 26-SEP-11 allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=135 devtype=DISK channel ORA_DISK_1: starting full datafile backupset channel ORA_DISK_1: specifying datafile(s) in backupset input datafile fno=00004 name=/fantlam/oradata/fantlam/users01.dbf channel ORA_DISK_1: starting piece 1 at 26-SEP-11 channel ORA_DISK_1: finished piece 1 at 26-SEP-11 piece handle=/fantlam/flash_recovery_area/FANTLAM/backupset/2011_09_26/o1_mf_nnndf_TAG20110926T090009_77zmnt6g_.bkp tag=TAG20110926T090009 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:04 Finished backup at 26-SEP-11

 

RMAN> backup tablespace TBS_USR_BAK; RMAN> backup database; RMAN> backup datafile 7,8,6,4; RMAN> backup tablespace TBS_USR_BAK,users;

 查看数据文件备份情况

RMAN> list backupset of datafile 4; List of Backup Sets =================== BS Key  Type LV Size       Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 1       Full    1.89M      DISK        00:00:02     26-SEP-11              BP Key: 1   Status: AVAILABLE  Compressed: NO  Tag: TAG20110926T090009         Piece Name: /fantlam/flash_recovery_area/FANTLAM/backupset/2011_09_26/o1_mf_nnndf_TAG20110926T090009_77zmnt6g_.bkp   List of Datafiles in backup set 1   File LV Type Ckp SCN    Ckp Time  Name   ---- -- ---- ---------- --------- ----   4       Full 647181     26-SEP-11 /fantlam/oradata/fantlam/users01.dbf RMAN>

 3.2 控制文件

RMAN> backup current controlfile; Starting backup at 26-SEP-11 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 26-SEP-11 channel ORA_DISK_1: finished piece 1 at 26-SEP-11 piece handle=/fantlam/flash_recovery_area/FANTLAM/backupset/2011_09_26/o1_mf_ncnnf_TAG20110926T090544_77zmz8wo_.bkp tag=TAG20110926T090544 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01 Finished backup at 26-SEP-11 RMAN>

 查看控制文件备份情况

RMAN> list backupset of controlfile; List of Backup Sets =================== BS Key  Type LV Size       Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 2       Full    6.77M      DISK        00:00:01     26-SEP-11              BP Key: 2   Status: AVAILABLE  Compressed: NO  Tag: TAG20110926T090544         Piece Name: /fantlam/flash_recovery_area/FANTLAM/backupset/2011_09_26/o1_mf_ncnnf_TAG20110926T090544_77zmz8wo_.bkp   Control File Included: Ckp SCN: 647402       Ckp time: 26-SEP-11 RMAN>

 3.3  参数文件

RMAN> backup spfile; Starting backup at 26-SEP-11 using channel ORA_DISK_1 channel ORA_DISK_1: starting full datafile backupset channel ORA_DISK_1: specifying datafile(s) in backupset including current SPFILE in backupset channel ORA_DISK_1: starting piece 1 at 26-SEP-11 channel ORA_DISK_1: finished piece 1 at 26-SEP-11 piece handle=/fantlam/flash_recovery_area/FANTLAM/backupset/2011_09_26/o1_mf_nnsnf_TAG20110926T090835_77zn4nwb_.bkp tag=TAG20110926T090835 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02 Finished backup at 26-SEP-11 RMAN>

查看参数文件备份情况

RMAN> list backupset of spfile; List of Backup Sets =================== BS Key  Type LV Size       Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 3       Full    80.00K     DISK        00:00:01     26-SEP-11              BP Key: 3   Status: AVAILABLE  Compressed: NO  Tag: TAG20110926T090835         Piece Name: /fantlam/flash_recovery_area/FANTLAM/backupset/2011_09_26/o1_mf_nnsnf_TAG20110926T090835_77zn4nwb_.bkp   SPFILE Included: Modification time: 26-SEP-11 RMAN>

3.4 归档日志文件备份

RMAN> backup archivelog all; Starting backup at 26-SEP-11 current log archived using channel ORA_DISK_1 channel ORA_DISK_1: starting archive log backupset channel ORA_DISK_1: specifying archive log(s) in backup set input archive log thread=1 sequence=7 recid=1 stamp=762858779 channel ORA_DISK_1: starting piece 1 at 26-SEP-11 channel ORA_DISK_1: finished piece 1 at 26-SEP-11 piece handle=/fantlam/flash_recovery_area/FANTLAM/backupset/2011_09_26/o1_mf_annnn_TAG20110926T091259_77zndwql_.bkp tag=TAG20110926T091259 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:08 Finished backup at 26-SEP-11

查看archivelog备份情况

RMAN> list backupset of archivelog all; List of Backup Sets =================== BS Key  Size       Device Type Elapsed Time Completion Time ------- ---------- ----------- ------------ --------------- 4       33.62M     DISK        00:00:06     26-SEP-11              BP Key: 4   Status: AVAILABLE  Compressed: NO  Tag: TAG20110926T091259         Piece Name: /fantlam/flash_recovery_area/FANTLAM/backupset/2011_09_26/o1_mf_annnn_TAG20110926T091259_77zndwql_.bkp   List of Archived Logs in backup set 4   Thrd Seq     Low SCN    Low Time  Next SCN   Next Time   ---- ------- ---------- --------- ---------- ---------   1    7       619681     26-SEP-11 648402     26-SEP-11 RMAN>

4. Rman 备份输出log

[oracle@oracle ~]$ rman target / log=/u01/app/oracle/dbbackup/rmanback.log append RMAN> backup datafile 8; RMAN> backup spfile; RMAN>