aix rac ssh建立对等关系，故障一则

闲着也是闲着，装套aix的rac，玩一下。

在建立使用 oui 自动建立ssh对等关系步骤的时候，出现如下报错；

Existence check failed for /bin/bash on node: jx1

通过 oraInventroy 目录下的log

INFO: lock_count 1

INFO: Lock Retry Count 1

INFO: Lock Sleep Time 30000

INFO: Home Dir /home/oracle

INFO: Lock Location : /home/oracle/.ssh/lock

INFO: Trying to get Lock ....

INFO: Lock Acquired

INFO: LIBRARY_LOC = /tmp/OraInstall2017-01-08_04-28-07PM/oui/lib/aix

INFO: Validating remote binaries..

INFO: [jx1]

INFO: /bin/bash -c '/bin/true'

INFO: Exit-status: -1
INFO: Error: WARNING: Your password has expired.

Password change required but no TTY available.

INFO: 

INFO: 

INFO: Existence check failed for /bin/bash on node: jx1

INFO: Home Dir /home/oracle

INFO: Lock Location : /home/oracle/.ssh/lock

INFO: Releasing Lock...

INFO: Lock Released

问题是 密码过期导致，但报错表面看是 /bin/bash 有问题。很具有迷惑性。

解决方法很简单 paswd命令重新设置一次密码就可以。