IBM DS4700 manual Example of a single SAN fabric configuration

Host system

Host system

with two host

with two host

adapters

adapters

Switch Switch

Interswitch link

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Figure 88. Example of a single SAN fabric configuration

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In Figure 89, the fibre channel switches are connected together via the inter-switch link (ISL) to form a dual SAN fabric.

Host system	Host system
with two host	with two host
adapters	adapters

Note: Node level redundancy with cluster software.

Switch Switch

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Figure 89. Example of a dual SAN fabric configuration

In Figure 90 on page 110, the fibre channel switches are not connected together. Each switch forms its own SAN fabric.

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Chapter 3. Cabling the storage subsystem 109