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
ALL dispatchers AND shared servers shutdown
Tue Jan 10 21:11:52 2012
PMON failed TO acquire latch, see PMON dump
PMON failed TO acquire latch, see PMON dump
PMON failed TO acquire latch, see PMON dump
Tue Jan 10 21:12:04 2012
PMON failed TO acquire latch, see PMON dump
PMON failed TO acquire latch, see PMON dump
Tue Jan 10 21:12:12 2012
Shutting down instance (abort)
License high water mark = 721
Tue Jan 10 21:12:13 2012
Errors IN file /u01/app/oracle/admin/wdyx/udump/wdyx1_ora_1434094.trc:
ORA-27300: OS system dependent operation:invalid_process failed WITH STATUS: 0
ORA-27301: OS failure message: Error 0
ORA-27302: failure occurred at: skgpstime3
ORA-27144: attempt TO KILL process failed

显然SHUTDOWN IMMEDIATE无法正常关闭数据库,必须使用SHUTDOWN ABORT来完成数据库的关闭操作,但是SHUTDOWN ABORT在关闭时引发了ORA-27144错误。
在MOS文档The following Errors are reported during Shutdown Immediate: ORA-27300, ORA-27301, ORA-27302, ORA-27144 [ID 1186504.1]描述了这个问题,Oracle给出的建议是直接忽略这个问题。
文档中出现这个错误的是10.2.0.4版本,但是在出现ORA-27144错误后能正常关闭,而不像当前10.2.0.1版本这样,在SHUTDOWN IMMEDIATE时出现PMON failed to acquire latch信息,而SHUTDOWN ABORT后才出现ORA-27144错误。
看来升级到高版本虽然不能完全的解决这个问题,但是至少可以解决SHUTDOWN IMMEDIATE无法正常关闭的问题。

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