16 Hardware Installation
Dual Controller Configurations
Figure2-4 through Figure 2-6 show two and four hosts, each connected to two
RAID controller modules. Since each host has redundant paths, loss of a single
path would still allow access to the storage array through the alternate path.
Figure 2-4. Two Hosts Connected to Two Controllers
Server 1 Server 2
Storage array
Corporate, public,
or private network
book.book Page 16 Thursday, July 18, 2013 5:56 PM