expdp ORA-31693 ORA-31617 ORA-19505 ORA-27037

使用expdp并行导出数据的时候报如下错误：

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/******** schemas=test directory=expdp_dir dumpfile=test_%u.dmp filesize=10g parallel=4 logfile=expdpfull.log

Estimate in progress using BLOCKS method...

Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA

Total estimation using BLOCKS method: 32.85 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/PRE_SCHEMA/PROCACT_SCHEMA

Processing object type SCHEMA_EXPORT/SYNONYM/SYNONYM

Processing object type SCHEMA_EXPORT/SEQUENCE/SEQUENCE

Processing object type SCHEMA_EXPORT/TABLE/TABLE

ORA-31693: Table data object "test"."WF_HIST" failed to load/unload and is being skipped due to error:

ORA-31617: unable to open dump file "/home/oracle/dump/test_03.dmp" for write

ORA-19505: failed to identify file "/home/oracle/dump/test_03.dmp"

ORA-27037: unable to obtain file status

Linux-x86_64 Error: 2: No such file or directory

Additional information: 3

原因和解决方法：
在rac环境使用并行导出时，系统会尝试同时写文件到rac中的节点。如果导出目录是本地磁盘的话，导出时候就会报错，出现上面的现象。

解决方法：导出的时候添加参数cluster=no

巴特西

expdp ORA-31693 ORA-31617 ORA-19505 ORA-27037

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