6.登陆物理standby时Error code: ORA-28032
使用非sys用户登陆物理standby时，报错ORA-28032，如下
[oracle@db2 ~]$ sqlplus test/test
SQL*Plus: Release 11.2.0.3.0 Production on Thu Mar 13 17:24:05 2014
Copyright (c) 1982, 2011, Oracle. All rights reserved.
ERROR:
ORA-28032: Your password has expired and the database is set to read-only
从11gR2文档error message中查询错误号竟然没有，无奈从网上查找如下：
Error code: ORA-28032
Description: Your password has expired and the database is set to read-only
Cause:
Your password expired and needs to be changed before your login request can be
processed. Because the database is currently open in read-only mode, the
password change operation cannot be performed on this database.
Action:
Log in to the primary database to change your password, then retry your login
request at the standby database.
按照提示，首先有该用户登陆主库一次，然后再在备库登陆，就没有问题了；如果之前操作没有成功，则按照action操作，登陆主库并修改密码，然后再次登陆备库；
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