Archive process shutdown avoided: 0 active
ARCH: Archiving is disabled
Shutting down archive processes
Archiving is disabled
Archive process shutdown avoided: 0 active
Thu May 30 22:11:19 2013
数据库正常关闭了，重启后latch free消失。。
latch free的问题后续研究一下，有经验的老大些多多指导。
谢谢