In Figure 67 on page 95, gives an example of two host systems, with fibre channel
switches connected by an interswitch link, forming a single SAN fabric configuration.
Host system
with two host
adapters
Host system
with two host
adapters
Host system
with two host
adapters
DS4800
Switch
Switch
Note: Node level
redundancy with
cluster software.
Host system
with two host
adapters
Host system
with two host
adapters
ds48001
DS4800
DS4800
Figure 66. Examples of redundant host direct attached fibre channel configurations
94 IBM System Storage DS4800 Storage Subsystem: Installation, User’s, and Maintenance Guide