挂载nfs

[root@xifenfei tmp]# mount -t nfs 192.168.1.90:/tmp/nfs /nfs
[root@xifenfei tmp]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1              18G   12G  5.2G  70% /
tmpfs                 737M     0  737M   0% /dev/shm
/dev/sdb1              20G  7.8G   11G  42% /u01/oracle/oradata
192.168.1.90:/tmp/nfs
                       18G   13G  3.9G  77% /nfs

rman备份

[oracle@xifenfei nfs]$ rman target /
Recovery Manager: Release 10.2.0.1.0 - Production on Wed May 30 16:31:40 2012
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
connected to target database: XFF (DBID=3426707456)
RMAN> backup datafile 1 format '/nfs/rman/system01_%U';
Starting backup at 3-JUN-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=146 devtype=DISK
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 05/30/2012 16:32:17
ORA-19602: cannot backup or copy active file in NOARCHIVELOG mode
continuing other job steps, job failed will not be re-run
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 3-JUN-12
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 05/30/2012 16:32:20
ORA-19504: failed to create file "/nfs/rman/system01_02nc9rgh_1_1"
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options
Additional information: 3

重新挂载nfs

[root@xifenfei ~]# umount /nfs
[root@xifenfei tmp]# mount -t nfs -o rw,bg,hard,rsize=32768,wsize=32768,
>vers=3,nointr,timeo=600,tcp 192.168.1.90:/tmp/nfs /nfs

rman重新备份

[oracle@xifenfei ~]$ rman target /
Recovery Manager: Release 10.2.0.1.0 - Production on Wed May 30 16:38:14 2012
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
connected to target database: XFF (DBID=3426707456)
RMAN> backup datafile 1 format '/nfs/rman/system01_%U';
Starting backup at 3-JUN-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=143 devtype=DISK
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/u01/oracle/oradata/XFF/system01.dbf
channel ORA_DISK_1: starting piece 1 at 3-JUN-12
channel ORA_DISK_1: finished piece 1 at 3-JUN-12
piece handle=/nfs/rman/system01_07nc9rrv_1_1 tag=TAG20120530T163823 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:02:15
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 3-JUN-12
channel ORA_DISK_1: finished piece 1 at 3-JUN-12
piece handle=/nfs/rman/system01_08nc9s07_1_1 tag=TAG20120530T163823 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02
Finished backup at 3-JUN-12

查看nfs源端文件

[root@xifenfei rman]# pwd
/tmp/nfs/rman
[root@xifenfei rman]# ls -l
total 378300
-rw-r-----  1 54321 54321 379846656 Jun  3 13:45 system01_07nc9rrv_1_1
-rw-r-----  1 54321 54321   7143424 Jun  3 13:45 system01_08nc9s07_1_1

要点说明
Mount Options for Oracle files when used with NFS on NAS devices [ID 359515.1]