在RAC环境下使用数据泵导出的时候，提示出现错误
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-31693: Table data object "PRODDTA"."F42199" failed to load/unload and is being skipped due to error:
ORA-31617: unable to open dump file "/mnt/usb2/DUMP/exp_tbs_02.dmp" for write
ORA-19505: failed to identify file "/mnt/usb2/DUMP/exp_tbs_02.dmp"
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-31693: Table data object "PRODDTA"."FE5PO05B" failed to load/unload and is being skipped due to error:
ORA-31617: unable to open dump file "/mnt/usb2/DUMP/exp_tbs_03.dmp" for write
ORA-19505: failed to identify file "/mnt/usb2/DUMP/exp_tbs_03.dmp"
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3看了下文件路径，是存在的，而且dmp文件也生成了， 感觉好奇怪。后来查看了下导出的语句。发现没有cluster=no语句， 增加后OK 。
MOS参考文档：DataPump Export (EXPDP) Fails With Errors ORA-31693 ORA-31617 ORA-19505 ORA-27037 In a RAC Environment (文档 ID 1597395.1)
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