IBM DS4700 Service Manual

In Figure 89, the fibre channel switches are connected together via the inter-switch
link (ISL) to form a dual SAN fabric.
In Figure 90 on page 110, the fibre channel switches are not connected together.
Each switch forms its own SAN fabric.
Host system
with two host
adapters
Host system
with two host
adapters
Switch
Switch
Interswitch link
ds470028
DS4700
Figure 88. Example of a single SAN fabric configuration
Host system
with two host
adapters
Host system
with two host
adapters
Switch
Switch
Note: Node level
redundancy with
cluster software.
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DS4700
Figure 89. Example of a dual SAN fabric configuration
Chapter 3. Cabling the storage subsystem 109

IBM DS4700 Specifications

General

Brand	IBM
Model	DS4700
Category	Storage
Language	English