beautypg.com

HP Surestore 64 Director Switch User Manual

Page 126

background image

114 Glossary

cyclic redundancy check

System of error checking performed at both the sending and receiving station using the
value of a particular character generated by a cyclic algorithm. When the values
generated at each station are identical, data integrity is confirmed.

D

datagram

See Class 3 Fibre Channel service.

default

Pertaining to an attribute, value, or option that is assumed when none is explicitly
specified.

default zone

Contains all attached devices that are not members of a separate zone.

device

Product, connected to a managed director, that is not controlled directly by the HP
Product Manager. See also node.

dialog box

A window containing informational messages or data fields to be modified or filled in
with desired options.

director

An intelligent, high-availability Fibre Channel switching device providing any-to-any
port connectivity between nodes (end devices) on a switched fabric. The director sends
data transmissions (data frames) between nodes in accordance with the address
information present in the frame headers of those transmissions.

domain ID

The 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.