Lokeshaggarwal's DBA

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Manual Cleanup of CRS installation – Oracle CRS 10g R2 (10.2.0.1)


Sometimes we have to do a manual cleanup for the failed installation :

1) Run rootdelete.sh script present in $ORA_CRS_HOME/install directory

2) Run rootdeinstall.sh script present in $ORA_CRS_HOME/install directory

If you have unknowingly deleted the CRS HOME before running the above scripts then you can follow below procedure to manually clean up the CRS.

Manual Cleanup of CRS on Linux

1. Remove following files as root user on ALL NODES IN CLUSTER

rm /etc/oracle/*
rm -f /etc/init.d/init.cssd
rm -f /etc/init.d/init.crs
rm -f /etc/init.d/init.crsd
rm -f /etc/init.d/init.evmd
rm -f /etc/rc2.d/K96init.crs
rm -f /etc/rc2.d/S96init.crs
rm -f /etc/rc3.d/K96init.crs
rm -f /etc/rc3.d/S96init.crs
rm -f /etc/rc5.d/K96init.crs
rm -f /etc/rc5.d/S96init.crs
rm -Rf /etc/oracle/scls_scr
rm -f /etc/inittab.crs
cp /etc/inittab.orig /etc/inittab

2. If they are not already down then kill off EVM, CRS and CSS process as root user on ALL NODES

ps -ef | grep crs    
kill <crs pid>
ps -ef | grep evm
kill <evm pid>
ps -ef | grep css    
kill <css pid>

3. Remove the files in /var/tmp/.oracle or /tmp/.oracle on ALL NODES

rm -f /var/tmp/.oracle/*
or
rm -f /tmp/.oracle/*

4. Remove the ocr.loc at /etc/oracle on ALL NODES

5. De-install the CRS home in the Oracle Universal Installer
This is to remove the CRS home from inventory. Installer may not be able to remove the files in the slot as CRS home is already deleted, but it will clean up the inventory.

6. Remove the CRS install location on ALL NODES
In case you have not removed the CRS install directory, please do so.

7. Remove OCR and Voting disk from shared location from any 1 node

Once above manual steps are done, the hosts are cleaned up and ready for next CRS installation.

Hope this helps !!

References:

Metalink Note ID : 239998.1

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May 25, 2010 - Posted by | RAC

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