The following command should have removed the service. Are you sure you were logged in as root when you ran the command? oracle@testdbp4:> crs_unregister ora.testdb.testdb1.inst oracle@testdbp4:> crsstat |grep testdb ora.testdb.testdb1.inst OFFLINE OFFLINE From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Sanjay Mishra Sent: Sunday, June 07, 2009 1:24 PM To: oracle-l@xxxxxxxxxxxxx Subject: RAC Remove Resource Hi I am in situation where I had to remove the Database Resource like Service/Instance/Database and has to recreate them. I am able to remove the Service/Instance/Database but when checking it is still showing one of the Instance resource and hence cluster output shows that cluster is unhealthy When I remove them, there was no error but one was still not removed oracle@testdbp4:> crsstat |grep testdb ora.testdb.testdb1.inst OFFLINE OFFLINE oracle@testdbp4:> srvctl remove instance -d testdb -i testdb1 -f PRKO-2007 : Invalid instance name: testdb1 oracle@testdbp4:> crs_unregister ora.testdb.testdb1.inst oracle@testdbp4:> crsstat |grep testdb ora.testdb.testdb1.inst OFFLINE OFFLINE oracle@testdbp4:> srvctl add database -d testdb -o /oracle/product/10.2.0.3 oracle@testdbp4:> srvctl add instance -d testdb -i testdb1 -n testdbp4 PRKR-1008 : adding of instance testdb1 on node testdbp4 to cluster database testdb failed. CRS-0211: Resource 'ora.testdb.testdb1.inst' has already been registered. PRKO-2010 : Error in adding instance to node: testdbp4 oracle@testdbp4:> crsstat |grep testdb ora.testdb.db OFFLINE OFFLINE ora.testdb.testdb1.inst OFFLINE OFFLINE oracle@testdbp4:> srvctl add instance -d testdb -i testdb2 -n testdbp5 oracle@testdbp4:> crsstat |grep testdb ora.testdb.db OFFLINE OFFLINE ora.testdb.testdb1.inst OFFLINE OFFLINE ora.testdb.testdb2.inst OFFLINE OFFLINE So I had created new Resource for testdb database even testdb1 was there already and then even I can add other instance but not the testdb1 oracle@testdbp4:> crsctl check crs CSS appears healthy CRS does not appear to be healthy EVM appears healthy Any suggestion to remove it Thanks Sanjay __________ Information from ESET NOD32 Antivirus, version of virus signature database 4138 (20090608) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com __________ Information from ESET NOD32 Antivirus, version of virus signature database 4138 (20090608) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com