HP 316095-B21 - StorageWorks Edge Switch 2/24 Service Manual page 262

Glossary
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 Edge Switch configuration that is determined 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 Edge 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 communication, the unique code assigned to each device or
workstation connected 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.
alarm
(1) A notification of an abnormal condition within a system that provides an indication of the
location or nature of the abnormality to either a local or remote alarm indicator. (2) A simple
network management protocol (SNMP) message notifying an operator of a network or device
problem.
alert panel
This panel, located below the navigation control panel, displays an alert symbol that indicates
the current state of the switch.
alias
A nickname representing a world-wide name.
Glossary–2 edge switch 2/24 service manual