How to relink oracle grid (RAC) infrastructure

Step : 1  As GRID User stop HAS stack .

  crsctl stop crs

Step : 2 Login as Root User and unlock the grid infrastructure

  cd $GRID_HOME/crs/install/
  perl rootcrs.pl -unlock
(or)
  cd $GRID_HOME/crs/install/rootcrs.sh -unlock ( Version >= 12.1 )

Step : 3 Login as GRID User and run the relink command

  $GRID_HOME/bin/relink all

Step : 4 Login as Root user and run the rootadd_rdbms.sh

  $GRID_HOME/rdbms/install/rootadd_rdbms.sh

Step : 5 As Root User lock the GRID Home.

  cd $GRID_HOME/crs/install/
  perl rootcrs.pl -patch
(or)
  $GRID_HOME/crs/install/rootcrs.sh -patch ( Version = 12.1 )
  $GRID_HOME/crs/install/rootcrs.sh -lock  ( Version >= 12.2 )

Step : 6 If we used rootcrs.sh script to lock the GRID Infrastructure and the GRID version is greater than or equal to 12.2 we need to start crs explicitly .

  $GRID_HOME/bin/crsctl start crs

NOTE : After Locking back the HAS stack services will be started automatically .

Step : 7 Check the resource status

  $GRID_HOME/bin/crsctl stat res -t