g-2 McDATA® Sphereon 3032 and 3232 Fabric Switches Installation and Service Manual
Glossary
A
AC See alternating current.
access The ability and means necessary to store data in, to retrieve data
from, to transfer data into, to communicate with, or to make use of
any resource of a storage device, a system, or area such as random
access memory (RAM) or a register.
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.
access time The amount of time, including seek time, latency, and controller time,
necessary for a storage device to retrieve information.
active configuration In S/390 mode, the director or switch configuration that is deter-
mined by the status of the connectivity attributes.
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 FRU See active field-replaceable unit.
active port address
matrix In S/390 mode, an active port address matrix is the port address
matrix that is currently active or operational on an attached director
or switch. See also connectivity capability.
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.
address (1) To refer to a device or an item of data by its address (A, I). (2) The
location in a computer where data is stored. (3) In data communica-
tion, the unique code assigned to each device or workstation con-
nected to a network. (4) The identifier of a location, source, or
destination (D).
address name Synonym for port name.
agent Software that processes queries on behalf of an application and
returns replies.