怎么解决Oracle执行expdp写入NFS文件系统提示ORA

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1. 执行 expdp 命令提示 ORA-27054 错误

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oracle@cwgsdb1:~$ expdp \ / as sysdba\ directory=dir_dp schemas=hr dumpfile=hr.dmp logfile=hr.log parallel=2

Export: Release 11.2.0.4.0 – Production on Thu Oct 25 16:55:06 2018

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 – 64bit Production

With the Partitioning, Real Application Clusters, 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 /backup/hr.dmp

ORA-27054: NFS file system where the file is created or resides is not mounted with correct options

Additional information: 3

Additional information: 18

2. 查看 alert 日志信息

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Thu Oct 25 16:55:08 2018

ALTER SYSTEM SET service_names= SYS$SYS.KUPC$C_1_20181025165507.CAMS SCOPE=MEMORY SID= cams1 ;

ALTER SYSTEM SET service_names= SYS$SYS.KUPC$C_1_20181025165507.CAMS , SYS$SYS.KUPC$S_1_20181025165507.CAMS SCOPE=MEMORY SID= cams1 ;

Thu Oct 25 16:55:08 2018

DM00 started with pid=55, OS id=17279, job SYS.SYS_EXPORT_SCHEMA_01

WARNING:NFS mount of file /backup/hr.dmp on filesystem /backup done with incorrect options:rw,xattr,dev=9640001

WARNING:Expected NFS mount options: rsize =32768,wsize =32768,hard,

Thu Oct 25 16:55:10 2018

ALTER SYSTEM SET service_names= SYS$SYS.KUPC$S_1_20181025165507.CAMS SCOPE=MEMORY SID= cams1 ;

ALTER SYSTEM SET service_names= cams SCOPE=MEMORY SID= cams1 ;

3. 在 MOS 上查找解决方案

使用“expdp ORA-27054”关键字查找，找到 MOS 文档：

ORA-27054: NFS File System Where the File is Created or Resides is Not Mounted With Correct Options (文档 ID 781349.1)

SYMPTOMS

You are transferring your database/installation to a NetApps NFS mount point.

The following error occurs on database startup:

ORA-01503: CREATE CONTROLFILE failed
ORA-01565: error in identifying file /nfs_d04/oasisxx/data/oasis_system.dbf
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options

The current mount point is mounted as:

rw,bg,rsize=32768,wsize=32768,hard,vers=3,nointr,timeo=600,proto=tcp,suid 0 0

CAUSE

The correct mount point options are being used but they are not in the correct order per oracle docs on correctly mounting NFS mounts for oracle software.

The correct setting should be:

rw,bg,hard,rsize=32768,wsize=32768,vers=3,nointr,timeo=600,proto=tcp,suid

NOTE: the location of the parameter hard

NOTE: As per
Bug 11812928
, the intr nointr are deprecated in UEK kernels, as well as Oracle Linux 6. It is harmless to still include it, you will get a notice..

NFS: ignoring mount option: nointr.

SOLUTION

Mount the NFS mount point with the recommended options in the exact order specified in oracle documentation.

For example:
# mount -F nfs -o rw,bg,hard,rsize=32768,wsize=32768,vers=3,forcedirectio,nointr,proto=tcp,suid host:/folder1/to1 /folder2/to2

NOTE: if settings revert back to original settings after remount, check auto-mounter options/settings. For more info on auto-mounter, please contact the OS vendor.

4. 重新挂载 NFS 文件

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root@cwgsdb1:~# umount /backup

root@cwgsdb1:~# mount -F nfs -o rw,bg,hard,rsize=32768,wsize=32768,vers=3 100.100.100.54:/impbackup /backup

5. 结果验证

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oracle@cwgsdb1:/backup$ expdp directory=dir_dp schemas=hr dumpfile=hr.dmp logfile=hr.log parallel=2

Export: Release 11.2.0.4.0 – Production on Thu Oct 25 17:14:26 2018

Username: system

Password:

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 – 64bit Production

With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,

Data Mining and Real Application Testing options

Starting SYSTEM . SYS_EXPORT_SCHEMA_01 : system/******** directory=dir_dp schemas=hr dumpfile=hr.dmp logfile=hr.log parallel=2

Estimate in progress using BLOCKS method…

Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA

Total estimation using BLOCKS method: 448 KB

显然该问题是由 NFS 文件系统未正确挂载引起的，通过添加关键参数，重新挂载 NFS 系统，顺利解决 Oracle 执行 expdp 写入 NFS 文件系统提示 ORA-39001 ORA-39000 ORA-31641 ORA-27054 错误的问题。

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