SAP的备份出了问题，大家帮忙看看

lichen923

AIX+SAP，备份软件是networker
从17号估计就开始出问题了。
日志如下：
RMAN> connect target *
connected to target database: DEV (DBID=3709816766)
using target database control file instead of recovery catalog

RMAN> **end-of-file**

RMAN>
host command complete

RMAN> 2> 3> 4> 5> 6> 7>
Reverse DNS lookup failed for address 10.10.10.11
allocated channel: sbt_1
channel sbt_1: sid=42 devtype=SBT_TAPE
channel sbt_1: NMO v4.5.0.0

Starting backup at 25-JUL-10
channel sbt_1: starting full datafile backupset
channel sbt_1: specifying datafile(s) in backupset
input datafile fno=00054 name=/oracle/DEV/sapdata5/sr3700_24/sr3700.data24
input datafile fno=00004 name=/oracle/DEV/sapdata1/sr3_1/sr3.data1
input datafile fno=00018 name=/oracle/DEV/sapdata3/sr3_15/sr3.data15
input datafile fno=00058 name=/oracle/DEV/sapdata6/sr3_30/sr3.data30
channel sbt_1: starting piece 1 at 25-JUL-10
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on sbt_1 channel at 07/25/2010 21:05:54
RMAN-10038: database session for channel sbt_1 terminated unexpectedly

RMAN>

RMAN>

Recovery Manager complete.
BR0280I BRBACKUP time stamp: 2010-07-25 21.05.56
BR0279E Return code from 'SHELL=/bin/sh /oracle/DEV/102_64/bin/rman nocatalog': 1
BR0522E 4 of 58 files/save sets processed by RMAN
BR0536E RMAN call for database instance DEV failed

BR0280I BRBACKUP time stamp: 2010-07-25 21.05.56
BR0503E Normal database backup using RMAN failed

BR0056I End of database backup: bedteehf.anr 2010-07-25 21.05.56
BR0280I BRBACKUP time stamp: 2010-07-25 21.05.58
BR0054I BRBACKUP terminated with errors

请大家给个思路方向，现在备份软件服务重启过没用，检查了备份命令脚本也没什么问题
是不是向用户提出重启服务器，或者重装备份软件？

lichen923

用的是sap3.5，不是用的nmo。不过我看了看nwsap命令脚本发现其实就是改了一下的nmo