./roothas.sh -postpatch OR root.sh failing with CLSRSC-400: A system reboot is required to continue installing.

Recently I was doing fresh Grid Infrastructure(GI) 12.2 install on one of our UAT boxes, wherein I was facing strange issue. Both “root.sh” & “./roothas.sh -postpatch” exiting with below error/warning: CLSRSC-400: A system reboot is required to continue installing. test-server01:/u01/app/12.2.0.1/grid/bin # cd $ORACLE_HOME/crs/install test-server01:/u01/app/12.2.0.1/grid/crs/install # ./roothas.sh -postpatch Using configuration parameter […]