expdp 匯出時指定節點

在用expdp 匯出資料時碰到如下錯誤， 原因是當時在指定useid 時未指定資料庫節點。

useid=username/password@ rac_node1

Export: Release 11.2.0.4.0 - Production on Wed Mar 23 13:18:16 2022

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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-39002: invalid operation

ORA-39070: Unable to open the log file.

ORA-29283: invalid file operation

ORA-06512: at "SYS.UTL_FILE", line 536

ORA-29283: invalid file operation