HP Surestore Director FC-64 Command Line Interface User's Guide

Glossary
111
GLOSSARY
The following cross-references are used in this glossary:
Contrast with. This refers to a term that has an opposite or substantively different
meaning.
See . This refers the reader to another keyword or phrase fo r the same term.
See also. This refers the reader to definite additional information c o ntained in ano ther
entry.
A
active zone set
The single zo ne set that is active in a multiswitch fabric. It is created when you enable a
specified zone set. This zone set is compiled by checking for undefined zones or aliases.
B
backplane
The backplane provides 48 VDC power distribution and connections for all logic cards.
backup FRU
When an active FRU fails, an identical bac kup FRU takes o ver operatio n automatic ally
(failover) to maintain director and Fibre Channel link operation.
beaconing
The use of light-emitting diodes on ports, port cards, hardware components, and
directors to aid in the fault-isolation proc ess; when enabled, active beaconing will cause
LEDs to flash for selected components.