crfclust.bdb文件过大处理
现象
在11gR2的RAC中，在 $GRID_HOME/grid/crf/db/<hostname>路径下有一个文件crfclust.bdb所占空间巨大，有的几十G甚至上百G。
该文件crfclust.bdb是Cluster Health Monitor (CHM) file,他的默认大小是1G,但是有在一些平台和版本中由于bug原因导致过大.
Oracle Cluster Health Monitor (CHM) using large amount of space (more than default) (Doc ID 1343105.1)
Bug 20186278 – crfclust.bdb Becomes Huge Size Due to Sudden Retenti on Change (Doc ID 20186278.8)
解决方案
可以通过删除这个文件解决。
[root@myhost02 myhost02]# /oracle/product/11g/grid/bin/crsctl stop res ora.crf -init
CRS-2673: Attempting to stop 'ora.crf' on 'myhost02'
CRS-2677: Stop of 'ora.crf' on 'myhost02' succeeded
[root@myhost02 myhost02]# rm crfclust.bdb
rm: remove regular file `crfclust.bdb'? yes
[root@myhost02 myhost02]# /oracle/product/11g/grid/bin/crsctl start res ora.crf -init
CRS-2672: Attempting to start 'ora.crf' on 'myhost02'
CRS-2676: Start of 'ora.crf' on 'myhost02' succeeded
[root@myhost02 myhost02]# /oracle/product/11g/grid/bin/crsctl stat res ora.crf -init -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.crf
1 ONLINE ONLINE myhost02
