Connecting Hosts And Storage Arrays Through Switches - HP Open View Installation And Maintenance Manual

Connecting the Appliance to Hosts and Storage Arrays

Connecting hosts and storage arrays through switches

Figure 18
Channel switches. Adding switches as a layer between the appliance and the hosts and storage
arrays enables you to connect more hosts and storage arrays to the appliance.
In this example, assume the following:
84
shows two hosts and two storage arrays connected to the appliance through Fibre
Two Fibre Channel switches on the front end connect the two peer nodes to two hosts.
Two Fibre Channel switches on the back end connect the two peer nodes to two storage
arrays, enabling back-end failover.
Six target ports (T0, T1, T2, T3, T4, and T5) on peer node 0 connect to FC switch 1 (front
end).
Six target ports (T0, T1, T2, T3, T4, and T5) on peer node 1 connect to FC switch 2 (front
end).
I1 on peer node 0 connects to port 0 on back-end FC switch 1.
I1 on peer node 1 connects to port 0 on back-end FC switch 2.
I2 on peer node 0 connects to port 1 on back-end FC switch 2.
I2 on peer node 1 connects to port 1 on back-end FC switch 1.
Zone the switches as follows:
— Zone each host initiator separately with each target port on each front-end switch. For
example:
— Zone 1 contains port 0 and port 6.
— Zone 2 contains port 1 and port 6.
— Zone 3 contains port 2 and port 6.
— Zone 4 contains port 3 and port 6.
— Zone 5 contains port 4 and port 6.
— Zone 6 contains port 5 and port 6.
— Zone each storage initiator separately with each storage HBA port. For example:
— Zone 1 contains port 0 and port 2.
— Zone 2 contains port 0 and port 3.
— Zone 3 contains port 1 and port 2.
— Zone 4 contains port 1 and port 3.
HP recommends that you zone the host and storage HBA ports separately with the
appropriate appliance target and initiator ports. Zoning individual ports ensures that one
port does not cause problems with other ports. Zoning standards facilitate support of the
customer's zoning configurations.
The LAN interface and Gigabit Ethernet connections exist but are not not shown.
Continuous Access Storage Appliance Installation and Maintenance Guide