McDATA Enterprise Operating System, User Manual

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g-2 Enterprise Operating System Command Line Interface User Manual
Glossary
See . This refers the reader to another keyword or phrase for the same
term.
See also . This refers the reader to definite additional information
contained in another entry.
A
access control A list of all devices that can access other devices across the network
and the permissions associated with that access.
See also persistent
binding ; zoning .
active
field-replaceable unit
Active FRU. A FRU that is currently operating as the active, and not
the backup FRU.
See also backup field-replaceable unit .
active zone set
A single zone set that is active in a multiswitch fabric and is created
when a specific zone set is enabled. This zone set is compiled by
checking for undefined zones or aliases.
See also zone ; zone set .
AL_PA See arbitrated loop physical address .
arbitrated loop
physical address
AL_PA. A 1-byte value used in the arbitrated loop topology that
identifies loop ports (L_Ports). This value then becomes the last byte
of the address identified for each public L_Port on the loop.
B
backup
field-replaceable unit
Backup FRU. When an active FRU fails, an identical backup FRU
takes over operation automatically (failover) to maintain director or
switch and Fibre Channel link operation.
See also active
field-replaceable unit .
backup FRU See backup field-replaceable unit .
beaconing Use of light-emitting diodes (LEDs) on ports, port cards,
field-replaceable units (FRUs), and directors to aid in the
fault-isolation process. When enabled, active beaconing will cause
LEDs to flash in order for the user to locate field-replaceable units
(FRU’s), switches, or directors in cabinets or computer rooms.