Tag Archives: shutdown immediate

DML_LOCKS设置为0导致SHUTDOWN IMMEDIATE失败

DML_LOCKS参数设置系统中允许DML锁的数量,如果将这个参数设置为0,会禁止ENQUEUE的产生,有可能轻微的提升系统的性能。 不过如果将这个参数设置为0,带来的后果会严重很多: SQL> SHOW parameter dml_locks NAME TYPE VALUE ———————————— ———– —————————— dml_locks INTEGER 264 SQL> ALTER system SET dml_locks = 0 scope = spfile; System altered. SQL> shutdown immediate DATABASE closed. DATABASE dismounted. ORACLE instance shut down. SQL> startup … Continue reading

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SHUTDOWN IMMEDIATE出现ORA-27144错误

客户的10.2.0.1 RAC for AIX数据库在关闭一个节点时碰到这个错误。 告警日志中信息如下: Tue Jan 10 21:11:42 2012 Shutting down instance (immediate) License high water mark = 721 Tue Jan 10 21:11:42 2012 Stopping Job queue slave processes Tue Jan 10 21:11:42 2012 Job queue slave processes stopped … Continue reading

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