Oracle 11g RAC错误ORA-01102: cannot mount database in EXCLUSIVE mode怎么解决

本篇内容主要讲解“Oracle 11g RAC错误ORA-01102: cannot mount database in EXCLUSIVE mode怎么解决”，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习“Oracle 11g RAC错误ORA-01102: cannot mount database in EXCLUSIVE mode怎么解决”吧!启动

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11免费主机域名g RAC数据库时出现以下错误。只能启动其中一个节点,另一个节点启动不了。可能是以前修改cluster_database这个参数引起的。在Oracle RAC架构这个参数必须设置为TRUE。错误信息:
ORA-01102: cannot mount database in EXCLUSIVE mode解决方法:
rac1节点:
SQL> show parameter cluster_database;
NAME TYPE VALUE
———————————— ———– ——————————
cluster_database boolean FALSE
cluster_database_instances integer 1
SQL> alter system set cluster_database=true scope=spfile;
System altered.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 830930944 bytes
Fixed Size 2257800 bytes
Variable Size 566234232 bytes
Database Buffers 260046848 bytes
Redo Buffers 2392064 bytes
Database mounted.
Database opened.
SQL> select open_mode from v$database;
OPEN_MODE
——————–
READ WRITE
SQL> show parameter cluster_database;
NAME TYPE VALUE
———————————— ———– ——————————
cluster_database boolean TRUE
cluster_database_instances integer 2
SQL>
rac2节点:
[oracle@rac2 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on Thu Sep 29 10:14:16 2016
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup
ORA-01102: cannot mount database in EXCLUSIVE mode –没有修改参数前报错,修改后启动成功
SQL> startup
ORACLE instance started.Total System Global Area 830930944 bytes
Fixed Size 2257800 bytes
Variable Size 599788664 bytes
Database Buffers 226492416 bytes
Redo Buffers 2392064 bytes
Database mounted.
Database opened.
SQL> select open_mode from v$database;
OPEN_MODE
——————–
READ WRITE
SQL> show parameter cluster_database;
NAME TYPE VALUE
———————————— ———– ——————————
cluster_database boolean TRU免费主机域名E
cluster_database_instances integer 2
SQL>到此，相信大家对“Oracle 11g RAC错误ORA-01102: cannot mount database in EXCLUSIVE mode怎么解决”有了更深的了解，不妨来实际操作一番吧！这里是云技术网站，更多相关内容可以进入相关频道进行查询，关注我们，继续学习！

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