IBM Partner Pavilion DS4100 - Manual (Page 71)

In Figure 27, 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
f10ug043
DS4100
Figure 26. Example of a single SAN fabric configuration (base storage server)
Host system
with two host
adapters
Host system
with two host
adapters
DS4000 EXP100
(Expansion unit)
Switch Switch
f10ug042
DS4100 DS4100
Figure 27. Example of a dual SAN fabric configuration (base storage server)
Chapter 2. Installing the storage server 39