smon的作用

1、实例恢复

Sat Jul 26 19:09:04 2014
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
ARC1 started with pid=28, OS id=3793
ARC1: STARTING ARCH PROCESSES
ARC2 started with pid=29, OS id=3795
Sat Jul 26 19:09:04 2014
Successfully onlined Undo Tablespace 8.
Sat Jul 26 19:09:04 2014
SMON: enabling cache recovery
Sat Jul 26 19:09:04 2014
Database Characterset is ZHS16GBK
replication_dependency_tracking turned off (no async multimaster replication found)
Starting background process QMNC
Sat Jul 26 19:09:04 2014
SMON: enabling tx recovery
Sat Jul 26 19:09:04 2014
ARC2: Archival started
ARC1: STARTING ARCH PROCESSES COMPLETE
ARC1: Becoming the ‘no FAL‘ ARCH
ARC1: Becoming the ‘no SRL‘ ARCH
ARC0 started with pid=27, OS id=3791
Sat Jul 26 19:09:05 2014
ARC0: Becoming the heartbeat ARCH
QMNC started with pid=30, OS id=3797
Sat Jul 26 19:09:05 2014
Completed: ALTER DATABASE OPEN

有待更新

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smon的作用

原文：http://6205351.blog.51cto.com/6195351/1530540