HP Surestore Director FC-64 Command Line Interface User's Guide

114 Glossary
cyclic redundancy check
System of error checking performed at both the sending and receiving station using the
value of a particular c harac ter 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 no ne is explicitly
specified.
default zone
Co ntains all attac hed devices that are no t members o f a separate zo ne.
device
Produc t, c o nnected to a managed directo r, that is no t c o ntrolled 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.