HSG80 ACS Solution Software V8.6 for SGI IRIX Installation and Configuration Guide

1–6 HSG80 ACS Solution Software Version 8.6 for SGI Irix Installation and Configuration Guide
Transparent failover only compensates for a controller failure, and not for failures of either
the Fibre Channel link or host Fibre Channel adapters.
Figure 1–5. Transparent failover—normal operation
CXO7036A
Host
port 1
active
Host
port 2
active
D100 D101 D120D0 D1
Host 1
Switch or hub
Host 2
Switch or hub
Host 3
Controller A
Controller B
Host
port 2
standby
Host
port 1
standby