现在对ASM磁盘管理还不是很熟悉

先了解下ASMCMD工具吧

利用该工具可以将ASM 文件复制到本地文件上，当然也可以讲本地文件复制到ASM磁盘上

[oracle@tyan147 backup]$ export ORACLE_SID=+ASM2
[oracle@tyan147 backup]$ export ORACLE_HOME=/orahome/grid
[oracle@tyan147 backup]$ asmcmd
ASMCMD> ls
ARCH/
DATA/
OCR_VOLE/
ASMCMD> cd DATA
ASMCMD> ls
DB_UNKNOWN/
MDSTEST/
rac-scan/

[oracle@tyan147 ~]$ rman target /

Recovery Manager: Release 11.2.0.1.0 - Production on Mon Sep 24 15:50:19 2012

connected to target database: MDSTEST (DBID=3769760908)

RMAN> backup datafile 9 format '/backup/back_%U.bak';

Starting backup at 24-SEP-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=222 instance=mdstest2 device type=DISK
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00009 name=+DATA/mdstest/datafile/indx01.dbf
channel ORA_DISK_1: starting piece 1 at 24-SEP-12
channel ORA_DISK_1: finished piece 1 at 24-SEP-12
piece handle=/backup/back_0qnm0tao_1_1.bak tag=TAG20120924T155048 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 24-SEP-12

Starting Control File and SPFILE Autobackup at 24-SEP-12
piece handle=+ARCH/mdstest/autobackup/2012_09_24/s_794850650.613.794850653 comment=NONE
Finished Control File and SPFILE Autobackup at 24-SEP-12

将备份集复制到ASM磁盘上

ASMCMD> cp /backup/back_0qnm0tao_1_1.bak +DATA/back_0qnm0tao_1_1.bak
copying /backup/back_0qnm0tao_1_1.bak -> +DATA/back_0qnm0tao_1_1.bak
ASMCMD> ls
ASM/
DB_UNKNOWN/
MDSTEST/
back_0qnm0tao_1_1.bak
rac-scan/

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