McDATA Enterprise Operating System, User Manual

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Glossary g-5
Glossary
default zone
A zone that contains all of the devices attached to a fabric that are not
members of a at lest one of the zones of the activated zone set.
device (1) Mechanical, electrical, or electronic hardware with a specific
purpose
(D) . See also managed product .
(2) See node .
dialog box A pop-up window in the user interface with informational messages
or fields to be modified or completed with desired options.
domain A Fibre Channel term describing the most significant byte in the node
port (N_Port) identifier for the Fibre Channel device. It is not used in
the Fibre Channel small computer system interface (FC-SCSI)
hardware path ID. It is required to be the same for all SCSI targets
logically connected to a Fibre Channel adapter.
domain ID Domain identifier. A number that uniquely identifies a switch in a
multiswitch fabric. A distinct domain ID is automatically allocated to
each switch in the fabric by the principal switch. The preferred
domain ID is the domain ID value that a switch requests from the
principal switch. If the value has not been allocated to another switch
in the fabric, it will be granted by the principal switch and will
become the requesting switch’s active domain ID. The active domain
ID is the domain ID that has been assigned by the principal switch
and that a switch is currently using.
domain name server In TCP/IP, a server program that supplies name-to-address
translation by mapping domain name to internet addresses.
(D)
E
E_D_TOV See error-detect time-out value .
E_Port
See expansion port .
Element Manager
application
Application that implements the management user interface for a
director or switch. (1) In your SAN management application
application, the software component that provides a graphical user
interface for managing and monitoring switch products. When a
product instance is opened from your SAN management application,
the corresponding Element Manager application is invoked.