Cluster Server Installation Guide for Solaris x64 5.0 - Storage ...

Adding and removing cluster nodesRemoving a node from a cluster161run on node B and node C, the leaving node. Service group grp4 runs only onnode C. Service groups grp1 and grp2 do not run on node C.Deleting the leaving node from VCS configurationBefore removing a node from the cluster, you must remove or switch from theleaving node the service groups on which other service groups depend.To remove or switch service groups from the leaving node1 Switch failover service groups from the leaving node. You can switch grp3from node C to node B.# hagrp -switch grp3 -to B2 Check for any dependencies involving any service groups that run on theleaving node; for example, grp4 runs only on the leaving node.# hagrp -dep3 If the service group on the leaving node requires other service groups, thatis, if it is a parent to service groups on other nodes, then unlink the servicegroups.# haconf -makerw# hagrp -unlink grp4 grp1These commands enable you to edit the configuration and to remove therequirement grp4 has for grp1.4 Stop VCS on the leaving node:# hastop -sys C5 Check the status again. The state of the leaving node should be EXITED. Also,any service groups set up for failover should be online on other nodes:# hastatus -summary-- SYSTEM STATE-- System State FrozenA A RUNNING 0A B RUNNING 0A C EXITED 0-- GROUP STATE-- Group System Probed AutoDisabled StateB grp1 A Y N ONLINEB grp1 B Y N OFFLINEB grp2 A Y N ONLINEB grp3 B Y N ONLINEB grp3 C Y Y OFFLINEB grp4 C Y N OFFLINE6 Delete the leaving node from the SystemList of service groups grp3 andgrp4.