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Chapter 3: Connecting Hosts
Connect the Chassis to Hosts
QX and QXS Setup Guide
102
Figure 95:
Connecting hosts: direct attach—four servers/one HBA per server/dual path
Connecting Switch Attach Configurations
A SAN places a switch between the servers and the RAID chassis (controllers). Using switches, a SAN
shares a storage system among multiple servers, reducing the number of storage systems required for a
particular environment. Using switches increases the number of servers that can be connected to the
storage system. A QXS Storage RAID chassis supports 64 hosts.
Multiple Servers/Multiple Switches
Model-specific dual-controller illustrations in Figure 98 on page 104 and Figure 96 on the next page show
switch-connect configurations for QXS Storage RAID chassis supporting pertinent host interface protocols.
Connect appropriate cables from controller host ports to switch ports, and from switch ports to hosts. It is
important to have a least one port connected from each switch to each controller module to provide
redundancy.