HP 316095-B21 - StorageWorks Edge Switch 2/24 User Manual page 226

Glossary
persistent binding
A form of server-level access control that uses configuration information to bind a server to a
specific Fibre Channel storage volume (or logical device) using a unit number.
port
Receptacle on a device to which a cable leading to another device can be attached.
port card
Field-replaceable hardware component that provides the port connections for fiber cables and
performs specific device-dependent logic functions.
port name
Name that the user assigns to a particular port through the Product Manager.
POST
See power-on self-test.
power-on self-test
Series of self-tests executed each time the unit is started or reset.
preferred domain ID
Domain ID assigned to a Switch is assigned by the principal Switch in a switched fabric. The
preferred domain ID becomes the active domain ID except when configured otherwise by the
user.
principal Switch
In a multiswitch fabric, the Switch that allocates domain IDs to itself and to all other Switches
in the fabric. There is always one principal Switch in a fabric. If a Switch is not connected to
any other Switches, it acts as its own principal Switch.
Product Manager
Application that implements the management user interface for the Director.
product name
User-configurable identifier assigned to a managed product. Typically, this name is stored on
the product itself. For the HP StorageWorks Director 2/64, the product name can also be
accessed by an SNMP manager as the system name.
R_A_TOV
See resource allocation time-out value.
redundancy
Performance characteristic of a system or product whose integral components are backed up
by identical components to which operations will automatically failover in the event of a
component failure. Redundancy is a vital characteristic of virtually all high-availability (24
hr/7 days per week) computer systems and networks.
Glossary–12 ha-fabric manager user guide