Why ora.diskmon is offline in 11.2.0.3   Leave a comment

I have installed Single node Grid Infrastructure with asm configured.
As Grid Infrastructure daemon diskmon.bin is used for Exadata fencing, started from 11.2.0.3, resource ora.diskmon will be offline in non-Exadata environment. This is expected behaviour change.

This is as per metalink note:11.2.0.3 Grid Infrastructure diskmon Will be Offline by Default in Non-Exadata Environment (Doc ID 1346881.1)

Prior to 11.2.0.3:
ps -ef| grep diskmon.bin

grid      3361  3166  0 22:57 ?        00:00:00 /ocw/grid/bin/diskmon.bin -d -f

On 11.2.0.3:
ps -ef| grep diskmon.bin

>> no more diskmon.bin
diskmon
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Posted November 10, 2013 by balaoracledba.com in Oracle DBA, Oracle10g/11g

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