冷备前停止数据库服务：

[dmdba@dmdb bin]$ ./DmServiceDMSERVER stop

Stopping DmServiceDMSERVER:                                [ OK ]

启动dmrman:

[dmdba@dmdb backup]$ dmrman

RMAN> BACKUP DATABASE'/dm8/data/DAMENG/dm.ini' full backupset '/dm8/backup/dbfull_bak';

BACKUP DATABASE '/dm8/data/DAMENG/dm.ini' full backupset '/dm8/backup/dbfull_bak';

Database mode = 0, oguid = 0

EP[0]'s cur_lsn[57529]

BACKUP DATABASE [DAMENG],execute......

os_pipe2_create_server_with_name, name:[/DM_PIPE_DMRMAN-24724_2_RD], error:[13]

CMD END.CODE:[-7103],DESC:[创建命名管道失败]

[-7103]:创建命名管道失败

退出后执行，必须在bin目录下执行方可

[dmdba@dmdb ~]$ /dm8/bin/dmrman

RMAN> BACKUP DATABASE'/dm8/data/DAMENG/dm.ini' full backupset '/dm8/backup/dbfull1_bak';

BACKUP DATABASE '/dm8/data/DAMENG/dm.ini' full backupset '/dm8/backup/dbfull1_bak';

Database mode = 0, oguid = 0

EP[0]'s cur_lsn[57529]

BACKUP DATABASE [DAMENG],execute......

CMD CHECK LSN......

BACKUP DATABASE [DAMENG],collect dbf......

CMD CHECK ......

DBF BACKUP SUBS......

total 1 packages processed...

total 2 packages processed...

total 3 packages processed...

total 4 packages processed...

total 5 packages processed...

total 6 packages processed...

total 7 packages processed...

DBF BACKUP MAIN......

BACKUPSET [/dm8/backup/dbfull1_bak] END, CODE [0]......

META GENERATING......

total 8 packages processed...

total 8 packages processed...

total 8 packages processed!

CMD END.CODE:[0]

backup successfully!

time used: 00:00:01.086