Compaq StorageWorks Data Replication Manager HSG80 ACS Version 8.5P Operations Guide

Glossary
This glossary defines terms pertaining to the Data Replication Manager for the HSG80 running ACS
V8.5P. It is not a comprehensive glossary of computer terms.
ACS An abbreviation representing Array Controller software.
See array controller software.
adapter A hardware device that converts the protocol and hardware interface of one
bus type to another without changing the function of the bus.
AL_PA
or
ALPA
A term used to express Arbitrated Loop Physical Address. A two-digit
hexadecimal number that expresses the port’s physical position on the loop.
ALPA numbers are normally not assigned in sequence (i.e., position 1 is not
ALPA 1, and so on). A table in the Fibre Channel Standard equates the loop
position to the default ALPA.
array controller See controller.
array controller software Also known by the abbreviation ACS. ACS is software that is contained on a
removable PCMCIA program card that provides the operating system for the
array controller.