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ORA-29701: unable to connect to Cluster Manager - ASM

Caso foi necessário alterar o nome ou endereço ip do servidor, provavelmente você terá esse problema:

[oracle@denilson ~]$ sqlplus '/ as sysdba'

SQL*Plus: Release 11.1.0.7.0 - Production on Tue Nov 10 14:31:31 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Connected to an idle instance.

SQL> startup
ORA-29701: unable to connect to Cluster Manager
SQL> exit

Resolvendo:

[oracle@denilson ~]$ su -
[root@denilson ~]$ $ORACLE_HOME/bin/localconfig delete
[root@denilson ~]$ $ORACLE_HOME/bin/localconfig add

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