HP StorageWorks IBM AIX Kit V3.0B for Enterprise Virtual Array Installation and Configuration Guide (AA-RUHAB-TE, October 2003)

37IBM AIX Kit V3.0B for Enterprise Virtual Array Installation and Configuration Guide
4
Additional Host
Considerations
This chapter includes additional considerations for the host operating systems in
an Enterprise Virtual Array. The following topics are covered:
■ Connecting Hosts to Switches, page 37
■ Using hsv_snapshot.rte, page 44
■ Expanding Volumes, page 45
■ Details about Installed Components and Software, page 47
Connecting Hosts to Switches
This section describes how to connect your host servers to the SAN switches in
order to access the virtual disks. The example shows a multi-path configuration.
The documentation that came with the Enterprise Virtual Array hardware
describes how to cable the controllers to the SAN switches.
Each host must attach to two redundant switches (fabrics) using standard fiber
channel cables. These two switches in turn attach to the two HSV110 controllers
on the Enterprise Virtual Array.
Note: This is the most basic multi-path configuration. More than two SAN switches can
be used.
For multiple path, use the following procedure for cabling:
1. Plug one end of the fiber channel cables into the FCAs on the servers. There
must be at least two FCAs.
2. Plug the other ends of the cables into the two switches. You must plug each
cable from the host’s FCAs into different switches.
Figure 2 displays the connections between a single server with two FCAs and two
switches.