告警日志中出现这个错误。
错误信息如下:
Thu DEC 23 01:00:02 2010 Starting background process EMN0 EMN0 started WITH pid=290, OS id=21705 Thu DEC 23 01:00:02 2010 Shutting down instance: further logons disabled Thu DEC 23 01:00:10 2010 Stopping background process QMNC Thu DEC 23 01:00:11 2010 Stopping background process CJQ0 Thu DEC 23 01:00:13 2010 Stopping background process MMNL Thu DEC 23 01:00:14 2010 Stopping background process MMON Thu DEC 23 01:00:15 2010 Shutting down instance (immediate) License high water mark = 236 Thu DEC 23 01:00:15 2010 Stopping Job queue slave processes Thu DEC 23 01:00:15 2010 Job queue slave processes stopped Thu DEC 23 01:05:17 2010 Active CALL FOR process 25698 USER 'oracle' program 'oracleora10@wfrb1' Active CALL FOR process 8983 USER 'oracle' program 'oracleora10@wfrb1' Active CALL FOR process 18425 USER 'oracle' program 'oracleora10@wfrb1' Active CALL FOR process 23144 USER 'oracle' program 'oracleora10@wfrb1' Active CALL FOR process 28505 USER 'oracle' program 'oracleora10@wfrb1' Active CALL FOR process 20150 USER 'oracle' program 'oracleora10@wfrb1' Active CALL FOR process 23164 USER 'oracle' program 'oracleora10@wfrb1' SHUTDOWN: waiting FOR active calls TO complete. Thu DEC 23 01:20:10 2010 MMNL absent FOR 1202 secs; Foregrounds taking OVER Thu DEC 23 02:00:50 2010 SHUTDOWN: Active sessions prevent DATABASE close operation Thu DEC 23 02:00:50 2010 Starting ORACLE instance (normal) Thu DEC 23 02:00:53 2010 ALTER DATABASE OPEN Thu DEC 23 02:00:53 2010 ORA-1531 signalled during: ALTER DATABASE OPEN... Thu DEC 23 02:15:31 2010 Errors IN file /oracleapp/oracle10g/admin/ora10/udump/ora10_ora_27379.trc: ORA-01089: immediate shutdown IN progress - no operations are permitted Thu DEC 23 02:15:32 2010 Errors IN file /oracleapp/oracle10g/admin/ora10/udump/ora10_ora_27379.trc: ORA-07445: exception encountered: core dump [kcsgrsn()+400] [SIGSEGV] [Invalid permissions FOR mapped object] [0x0000006EC] [] [] ORA-01089: immediate shutdown IN progress - no operations are permitted Thu DEC 23 02:15:33 2010 Errors IN file /oracleapp/oracle10g/admin/ora10/udump/ora10_ora_27379.trc: ORA-07445: exception encountered: core dump [kcsgrsn()+400] [SIGSEGV] [Invalid permissions FOR mapped object] [0x0000006EC] [] [] ORA-07445: exception encountered: core dump [kcsgrsn()+400] [SIGSEGV] [Invalid permissions FOR mapped object] [0x0000006EC] [] [] ORA-01089: immediate shutdown IN progress - no operations are permitted |
显然这个错误的出现是在SHUTDOWN的过程中,那么多半导致问题的原因会与关闭数据库有关。
查询MOS发现对应的bug信息为Bug 4687581 – Dump (kcsgrsn) during SHUTDOWN [ID 4687581.8],导致问题的原因和预期的一样,在SHUTDOWN过程中,前台的应用可能会出现ORA-7445[kcsgrsn]的错误。
这个错误没有什么不良影响,完全可以忽略,10.2.0.3及以下版本均可能出现这个问题,Oracle在10.2.0.4和11.1.0.6中解决了这个bug。
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