expdp导出数据报错ORA-27054
操作系统：Sun SPARC Solaris 10
oracle数据库版本：10g RAC 10.2.0.4.0
生产系统需要导出数据到一个NFS目录下报错
bash-3.00$ expdp \'/ as sysdba\' directory=bak_data_pump_dir schemas=epm_ha dumpfile=epm_ha.dmp logfile=epm_ha.log
Export: Release 10.2.0.4.0 - 64bit Production on Friday, 21 May, 2010 16:09:25
Copyright (c) 2003, 2007, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, 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 "/epmhis/DATA_PUMP_EPMHA1/epm_ha.dmp"
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options
Additional information: 2
网上搜索资料，解决方法包括设置事件10298 level 32，alter system set event='10298 trace name context forever, level 32' scope = spfile;打补丁：5146667，或者在mount的时候设置参数：rw,bg,hard,nointr,rsize=32768,wsize=32768,tcp,vers=3,timeo=600,actimeo=0。在solaris系统上tcp参数不可用。
由于是生产系统，尽量采用不停数据库来解决，重新mount。
1 umount目录
umount /epmhis
2 mount目录加一些参数
mount -F nfs -o rw,hard,nointr,noac,vers=3,rsize=32768,wsize=32768 IP地址:/epmhis /20100521
3 重新expdp导出文件到NFS目录
Export: Release 10.2.0.4.0 - 64bit Production on Friday, 21 May, 2010 16:41:37
Copyright (c) 2003, 2007, Oracle. All rights reserved.
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Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
FLASHBACK automatically enabled to preserve database integrity.
Starting "SYS"."SYS_EXPORT_SCHEMA_15": '/******** AS SYSDBA' directory=bak_data_pump_dir schemas=epm_ha dumpfile=epm_ha.dmp logfile=epm_ha.log
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 355.2 GB
Processing object type SCHEMA_EXPORT/USER
Processing object type SCHEMA_EXPORT/SYSTEM_GRANT
Processing object type SCHEMA_EXPORT/ROLE_GRANT
Processing object type SCHEMA_EXPORT/DEFAULT_ROLE
Processing object type SCHEMA_EXPORT/TABLESPACE_QUOTA
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/SYNONYM/SYNONYM
Processing object type SCHEMA_EXPORT/DB_LINK
Processing object type SCHEMA_EXPORT/SEQUENCE/SEQUENCE
Processing object type SCHEMA_EXPORT/SEQUENCE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Master table "SYS"."SYS_EXPORT_SCHEMA_15" successfully loaded/unloaded
******************************************************************************
Dump file set for SYS.SYS_EXPORT_SCHEMA_15 is:
/epmhis/DATA_PUMP_EPMHA1/epm_ha.dmp
Job "SYS"."SYS_EXPORT_SCHEMA_15" successfully completed at 17:56:28
没有报错，问题解决。
在solaris系统上一些需要用到的命令：
--查看哪儿些用户正在访问目录
fuser -cu /epmhis
--查询nfs服务的状态
svcs nfs/server
STATE STIME FMRI
disabled Aug_18 svc:/network/nfs/server:default
--启动和禁用nfs服务
svcadm enable/disable network/nfs/server
--设置server端nfs共享目录（重启系统也可生效）
vi /etc/dfs/dfstab
share -F nfs -o rw,anon=0 /epmhis
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