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ORA-12720: operation requires database is in EXCLUSIVE mode

原创 Linux操作系统 作者:benn_wpj 时间:2010-10-29 14:05:42 0 删除 编辑
when re-create controlfile of 2-nodes RAC database, database prompted the following errors:
 
ERROR at line 1:
ORA-01503: CREATE CONTROLFILE failed
ORA-12720: operation requires database is in EXCLUSIVE mode
 
Solution:
 
Shutdown all instances but keep one instance online, create a parameter file and modify the parameter cluster_database=false, startup nomount one instance using the modified parameter file, just do the re-creation. After done that, restart the database using the previous server parameter files.

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