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To remove or switch service groups from the departing node
1
Switch failover service groups fromthe departingnode. You canswitch grp3
from node saturn to node nebula.
# hagrp -switch grp3 -to nebula
2
Check for any dependencies involving any service groups that run on the
departing node; for example, grp4 runs only on the departing node.
# hagrp -dep
3
If the service group on the departing node requires other service groups—if
it is a parent to service groups on other nodes—unlink the service groups.
# haconf -makerw
# hagrp -unlink grp4 grp1
These commands enable you to edit the configuration and to remove the
requirement grp4 has for grp1.
4
Stop VCS on the departing node:
# hastop -sys saturn
5
Check the status again. The state of the departing node should be EXITED.
Make sure thatany servicegroup that you want to fail over isonline onother
nodes.
# hastatus -summary
-- SYSTEM STATE
-- System State Frozen
A galaxy RUNNING 0
A nebula RUNNING 0
A saturn EXITED 0
-- GROUP STATE
-- Group System Probed AutoDisabled State
B grp1 galaxy Y N ONLINE
B grp1 nebula Y N OFFLINE
B grp2 galaxy Y N ONLINE
B grp3 nebula Y N ONLINE
B grp3 saturn Y Y OFFLINE
B grp4 saturn Y N OFFLINE
Adding and removing cluster nodes
Removing a node from a cluster
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