Installation Manual

Host and Application Clustering346
In the following figure, individual instances of Microsoft Exchange Server 2003 share HP EVA
virtual disk array group shared resources:
Figure 20 Cluster Element Topology Representation
Clustering in Capacity Manager
In Capacity Manager, it is possible to see the whole capacity utilization by the cluster. Clusters are
represented as managed elements, and the capacity calculator intelligently avoids double counting
of the capacity from individual nodes at the cluster level.
For detailed information about Capacity Manager, see ”Finding an Element’s Storage Capacity”
on page 669.
You can drill down to various levels to see the following details of cluster capacity utilization: