Step-by-Step: Disable/Enable HAS in Oracle RAC

Disable HAS is required if you don't require to start the HAS services when servers starts-up. Later you can start it manually. The default is enable. By default, HAS will be started when server reboots. Execute below commands by root user. #Command to display the automatic startup configuration of Oracle HAS stack on the server. [root@rac1 bin]# ./crsctl config has CRS-4622: Oracle High Availability Services autostart is enabled. #Command to disable the automatic startup configuration of the Oracle HAS stack on the server when server starts up. [root@rac1 bin]# ./crsctl disable has CRS-4621: Oracle High Availability Services autostart is disabled. #Command to display the automatic startup configuration of the Oracle HAS stack on the server.  [root@rac1 bin]# ./crsctl config has CRS-4621: Oracle High Availability Services autostart is disabled. #Command to enable the automatic startup configuration of the Oracle HAS stack on the server when server starts up. [root@rac1 bin]# ./crsctl enable has CRS-4622: Oracle High Availability Services autostart is enabled. #Command to display the automatic startup configuration of the Oracle HAS stack on the server. [root@rac1 bin]# ./crsctl config has CRS-4622: Oracle High Availability Services autostart is enabled.