expdp 导出时指定节点
在用expdp 导出数据时碰到如下错误， 原因是当时在指定useid 时未指定数据库节点。
useid=username/password@ rac_node1
Export: Release 11.2.0.4.0 - Production on Wed Mar 23 13:18:16 2022
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
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
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