Compaq ProLiant Cluster HA/F500 Administrator Guide

Glossary
Glossary-2 ProLiant Cluster HA/F500 for MA8000 Administrator Guide
COMPAQ CONFIDENTIAL
Writer: Woody Jernigan File Name: i-glossary
Codename: Chargers Part Number: 355220-006 Last Saved On: 7/26/02 2:56 PM
array controller software (ACS)
Software contained on a removable ROM program card that provides the operating system
for the array controller.
availability
A measure of how well a computer system or cluster can continuously deliver services to its
clients. Availability is typically expressed as a percentage, with 100 percent being the best
possible rating.
CLI
See command line interpreter.
cluster
A group of systems that work collectively as a single system to provide fast, uninterrupted
computing service. Clustering is a way to increase availability, processing capacity, and I/O
bandwidth.
cluster group
A collection of interdependent resources that logically represents a clustered client/server
function. This is a user-definable entity used by Microsoft Cluster Server software.
command line interpreter (CLI)
The configuration interface used to operate the controller software.
container
1. Any entity that is capable of storing data, whether it is a physical device or a group of
physical devices.
2. A virtual, internal controller structure representing either a single disk or a group of disk
drives linked as a storageset.
controller
A hardware device that, with proprietary software, facilitates communications between a host
and one or more devices organized in an array.
driver
A hardware device or a program that controls or regulates another device. For example, a
device driver is a driver developed for a specific device that allows a computer to operate
with the device, such as a printer or a disk drive.