HP 3PAR StoreServ Cluster Extension Software Administrator Guide

Figure 2 1-to-1 configuration
N-to-1 and 1-to-N configurations
NOTE: The restrictions outlined in “1-to-1 configuration” (page 9) also apply to N-to-1
configurations.
When setting up an N-to-1 or 1-to-N configuration (see Figure 3 (page 11)), consider the following:
• HP 3PAR StoreServ Cluster Extension uses the unit of Remote Copy volume groups as the
failover unit. This means all virtual volumes or members of a Remote Copy volume group will
be failed over if the cluster software moves disk access from one cluster node to another.
• A given HP 3PAR StoreServ Cluster Extension resource can manage only one Remote Copy
group.
10 HP 3PAR StoreServ Cluster Extension features