Clustering And Fabric Zoning - HP StorageWorks XP48 Configuration Manual

Clustering and fabric zoning

Installation
Clustering is the organization of multiple servers into groups. Within a
cluster, each server is a node. Multiple clusters compose a multi-cluster
environment. The following example shows a multi-cluster environment
with three clusters, each containing two nodes. The nodes share access to
the disk array.
Clustering software is an integral part of OpenVMS, however, it requires a
license. Refer to the HP manual "Guidelines for OpenVMS Cluster
Configurations" for complete instructions.
Within the Storage Area Network (SAN), the clusters may be homogeneous
(all the same operating system) or they may be heterogeneous (mixed
operating systems). How you configure LUN Security and fabric zoning
depends on the operating system mix and the SAN configuration.
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