[oracle@edbjr2p1 admin]$ rman target /catalog rc_admin/rc_admin@emrep
Recovery Manager: Release 10.2.0.1.0 -Production on Sat Apr 12 09:41:41 2014
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: PROD(DBID=255136845)
connected to recovery catalog database
RMAN>configure archivelog backup copies for device type disk to 2;
old RMAN configuration parameters:
CONFIGURE ARCHIVELOG BACKUP COPIES FORDEVICE TYPE DISK TO 2;
new RMAN configuration parameters:
CONFIGURE ARCHIVELOG BACKUP COPIES FORDEVICE TYPE DISK TO 2;
new RMAN configuration parameters aresuccessfully stored
starting full resync of recovery catalog
full resync complete
RMAN>configure channel 1 device type disk format '/u01/%U','/u01/app/%U';
old RMAN configuration parameters:
CONFIGURE CHANNEL 1 DEVICE TYPE DISKFORMAT '/u01/%U', '/u01/app/%U';
new RMAN configuration parameters:
CONFIGURE CHANNEL 1 DEVICE TYPE DISKFORMAT '/u01/%U', '/u01/app/%U';
new RMAN configuration parameters aresuccessfully stored
starting full resync of recovery catalog
full resync complete
RMAN> backuparchivelog all;
Starting backup at 12-APR-14
current log archived
configuration for DISK channel 2 is ignored
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=196 devtype=DISK
skipping archive log file/home/oracle/flash/PROD/archivelog/2014_03_31/o1_mf_1_6_9ml8yy6m_.arc; alreadybacked up 2 time(s)
略。。
channel ORA_DISK_1: starting archive logbackupset
channel ORA_DISK_1: specifying archivelog(s) in backup set
input archive log thread=1 sequence=38recid=33 stamp=844681323
channel ORA_DISK_1: starting piece 1 at12-APR-14
channel ORA_DISK_1: finished piece 1 at12-APR-14 with 2 copies and tag TAG20140412T094204
piece handle=/u01/0mp5hk3c_1_1 comment=NONE
piece handle=/u01/app/0mp5hk3c_1_2 comment=NONE
channel ORA_DISK_1: backup set complete,elapsed time: 00:00:02
Finished backup at 12-APR-14
Starting Control File and SPFILE Autobackupat 12-APR-14
piecehandle=/home/oracle/backup/control/cf_c-255136845-20140412-03 comment=NONE
Finished Control File and SPFILE Autobackupat 12-APR-14
此时配置完备份archivelog可以看到archivelog备份到了两个位置。
但是对于备份数据文件会看到数据文件只是备份到了一个目录：
RMAN> backupdatafile 2;
Starting backup at 12-APR-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafilebackupset
channel ORA_DISK_1: specifying datafile(s)in backupset
input datafile fno=00002name=/u01/app/oracle/oradata/PROD/disk1/undotbs01.dbf
channel ORA_DISK_1: starting piece 1 at12-APR-14
channel ORA_DISK_1: finished piece 1 at12-APR-14
piece handle=/u01/0op5hk42_1_1 tag=TAG20140412T094226comment=NONE
channel ORA_DISK_1: backup set complete,elapsed time: 00:00:16
Finished backup at 12-APR-14
Starting Control File and SPFILE Autobackupat 12-APR-14
piecehandle=/home/oracle/backup/control/cf_c-255136845-20140412-04 comment=NONE
Finished Control File and SPFILE Autobackupat 12-APR-14