Service manual

Setting Up Network Resources
Appendix C Installing Sun Cluster HA for Directory Server 173
Setting Up Network Resources
Sun Cluster software manages logical host names that differboth from node names
and from host names for individual network interfaces. Figure C-1 shows how
logical host names, managed by a two-node cluster, are not permanently
associated with either of the nodes.
Figure C-1 Cluster with Two Nodes
When installing the Sun Cluster HA for Directory Server data service, you
configure Directory Server and Administration Server to listen on the logical host
name interface so they are not tied to any particular node in the cluster, and the
Sun Cluster software can manage failover. In Figure C-1, the nodes are named
foo
and bar.Thelogicalhostnamesyou use during installationas shownin Figure C-1
however would be
ds-1.example.com and ds-2.example.com,notfoo and bar.
Notice that the logical host names used are fully qualified domain names.
Refer to the Sun Cluster 3.0 product documentation for more information on these
key concepts and forinstructions onsetting up logicalhost names.
After setting up logical host names, perform the following steps:
1. Become super user on a node in the cluster.
Cluster with two nodes
Node
foo
Node
bar
Network interfaces
Host name: foo
Logical host names
Host name: bar
ds-1.example.com ds-2.example.com
Client requests Client requests