Setup guide

Storage Connections
Topics in this chapter:
■
About 2-Loop and 4-Loop Configurations on page 23
■
XR-Series Storage Connections on page 24
■
Disconnecting and Reconnecting Storage on page 29
About 2-Loop and 4-Loop Configurations
A storage assembly consists of the enclosure directly connected to your workstation, and any additional
enclosures daisy-chained to that enclosure. Each workstation-to-storage fibre channel connection is referred
to as a “loop”. A 2-loop configuration consists of one storage assembly. A 4-loop configuration consists of
two storage assemblies unless using the F6412E RAID controller, which uses one storage assembly.
The diagrams using F5402E or F5412E RAID controllers in this guide refer to “first” and “second” storage
assembly. In a 2-loop configuration, “first” storage assembly refers to the only one in the configuration. In
a 4-loop configuration, the “first” storage assembly is the one on the left of the diagram, and the “second”
is the one on the right.
NOTE It is important to cable exactly as illustrated in the diagrams and explained in the text to ensure storage
functions properly. For example, do not reverse fibre channel connections for first and second enclosures, or
reverse individual workstation-to-storage connections.
The following diagram summarizes the information in this section.
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