aix nfs expdp报错ORA-27054

报错信息：

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
ORA-39001: invalid argument value
ORA-39000: bad dump file specification
ORA-31641: unable to create dump file "/export/backup/LT_JCPT_GZL.dmp"
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options
Additional information: 5
Additional information: 18

解决方法：

1,10g数据库设置

alter system set events '10298 trace name context forever,level 32';

2，nfs挂在参数

mount -V nfs -o rw,hard,mointr,tcp,noac,vers=3,timeo=600,rsize=32768,wsize=32768  150.12.40.7:/vol/cyfx    /exp