Saturday, October 22, 2011

Why do we see crs process even after stopping CRS [init.d/init.crsd, init.cssd, init.evmd] After successful installation of Installation of 10.2.0.2, when stop the crs, processes do not exist from OS.

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Problem:    Why do we see crs process even after stopping CRS [init.d/init.crsd, init.cssd, init.evmd]
After successful installation of Installation of 10.2.0.2, when stop the crs, processes do not exist from OS.

ps -ef|grep init.
root 23 0 0 10:40:55 ? 0:06 pagetableinit_daemon
root 3585 1 0 16:07:00 ? 0:00 /bin/sh /sbin/init.d/init.cssd fatal
root 3455 1 0 16:06:59 ? 0:00 /bin/sh /sbin/init.d/init.evmd run
root 3458 1 0 16:06:59 ? 0:00 /bin/sh /sbin/init.d/init.crsd run

Symptoms:
$ORACLE_HOME/bin/crsctl check crs
Failure 1 contacting CSS daemon
Cannot communicate with CRS
Cannot communicate with EVM

ps -ef |grep d.bin
oracrsu 1586 29893 1 21:12:40 pts/0 0:00 grep d.bin
ps -ef|grep init
root 1 0 0 Jul 5 ? 0:20 init
root 23 0 0 Jul 5 ? 0:04 pagetableinit_daemon
oracrsu 1603 29893 0 21:12:47 pts/0 0:00 grep init
root 6470 1 0 Jul 5 ? 0:05 /bin/sh /sbin/init.d/init.crsd run
root 6584 1 0 Jul 5 ? 0:05 /bin/sh /sbin/init.d/init.cssd fatal
root 6471 1 0 Jul 5 ? 0:05 /bin/sh /sbin/init.d/init.evmd run

Solution:


This is an expected behavior. These are the init scripts which are spawned from /etc/inittab as part of crs startup.
Basically there shouldn't be any crs daemons running. To check this execute below command:

ps -ef |grep d.bin
$ORA_CCRS_HOME/bin/crsctl check crs

You can ignore them and go and upgrade the CRS.
If you want them to be stopped then you can follow below action plan:

1. Disable crs

crsctl disable crs

2. Restart node. Since crs is disabled, upon restart CRS will not come up.

3. Let the node comes up then enable crs

crsctl enable crs

This will not start CRS but it will just enable the crs startup upon node reboot.

References:




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