HP StorageWorks Virtual Array 7000 Family User and Service Guide (January 2005)

40 Product Overview
high-performance disks, and the other RG from large, slower, high-
capacity disks.
The VA 7100 and VA 7400/7410 differ in their implementation of
redundancy groups.
VA 7100/7110 Redundancy Group
The VA 7100 and VA 7110 each have one redundancy group (RG1). See
Figure 13 and Figure 14. All the disks in the array belong to RG1. LUNs
created from RG1 are available through both controllers (in a dual controller
configuration).
There are two internal fibre channel loops, one from each controller. The Fibre
channel disks are dual ported; each fibre channel port is connected to a
different controller. The controllers are connected via an internal high-
performance bus, which allows the LUNs to be accessed through both
controllers, and for loop or disk failover communication.
Figure 13 VA 7100 Redundancy Group
Controller 1
RG1
Host
Controller 2
RG1
Host
N-Way Bus
D2
RG1
D15
RG1
...
D1
RG1