Quick steps to rebuild the CRS

Root user to perform. the following script

on node1
------------
cd $ORA_CRS_HOME/install

./rootdelete.sh

on node2
------------
cd $ORA_CRS_HOME/install

./rootdelete.sh

on node1 only
--------------
cd $ORA_CRS_HOME/install

./rootdeinstall.sh

cd $ORA_CRS_HOME

./root.sh

on node2
-----------
cd $ORA_CRS_HOME

./root.sh


use netca to delete and add the listener to nodeapps on both nodes

rac1-> srvctl add asm -n rac1 -i +ASM1 -o /u01/app/oracle/product/10.2.0/db_1

rac1-> srvctl add asm -n rac2 -i +ASM2 -o /u01/app/oracle/product/10.2.0/db_1

rac1-> srvctl start asm -n rac1

rac1-> srvctl start asm -n rac2

if ora-27550 then set the parameter of cluster_interconnects on both ASM instances

rac1-> srvctl add database -d icmnlsdb -o /u01/app/oracle/product/10.2.0/db_1

rac1-> srvctl add instance -d icmnlsdb -i icmnlsdb1 -n rac1

rac1-> srvctl add instance -d icmnlsdb -i icmnlsdb2 -n rac2

rac1-> srvctl modify instance -d icmnlsdb -i icmnlsdb1 -s +ASM1

rac1-> srvctl modify instance -d icmnlsdb -i icmnlsdb2 -s +ASM2

rac1-> srvctl start database -d icmnlsdb

rac1-> srvctl add service -d icmnlsdb -s icm_taf -r icmnlsdb1,icmnlsdb2 -P BASIC

rac1-> srvctl start service -d icmnlsdb -s icm_taf

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