RAC下，alter system kill session报错ORA-00030: User session ID does not exist

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转载最新推荐文章于 2024-07-27 11:28:00 发布 · 1.8k 阅读

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本文探讨了在RAC（Real Application Clusters）环境中遇到'alter system kill session'命令返回ORA-00030错误的情况。文章分析了该错误的原因，并可能提供的解决方案，帮助数据库管理员更好地管理和终止无效的用户会话。

在RAC环境下，KILL SESSION时报错ORA-00030 User session ID does not exist.

问题再现：

NODE2:

[oracle@node2 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Sun Feb 11 21:27:08 2018
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL> conn sh/sh
Connected.
SQL> show parameter instance_number
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
instance_number integer 2
SQL> select sid ,serial# from v$session where sid=userenv('sid');
SID SERIAL#
---------- ----------
136 5
SQL> create table test as select a.* from all_objects a,all_objects b,all_objects c;

NODE1:

[oracle@node1 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Sun Feb 11 21:25:53 2018
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL> show parameter instance_number;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
instance_number integer 1
SQL> alter system kill session '136,5';
alter system kill session '136,5'
*
ERROR at line 1:
ORA-00030: User session ID does not exist.

node2:

SQL> alter system kill session '136,5,@2';
System altered.
node1:

SQL> create table test as select a.* from all_objects a,all_objects b,all_objects c;
create table test as select a.* from all_objects a,all_objects b,all_objects c
*
ERROR at line 1:
ORA-00028: your session has been killed
ORA-00028: your session has been killed

小结：对于RAC环境下的跨实例杀会话，alter system kill session 需要增加 @instance_number。其中，instance_number可通过show parameter instance_number来获取。

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