1. Check the Service Group dependancy with other service

group

#hares -dep <Service Group>

2.to make the cluster configuration to read write mode.

haconfig -dump ro

3.Switch the online Service groups to the other system.

#hagrp -switch <Service group> -to <host2>

4.Make the Service group stable on other Host or freez them

on other node:

#hares -freeze <Service group> -sys <host2>

5.Make the service group offline on host1

#hagrp -disable <service group> -sys <host1>