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Glossary
adapter
A device that converts the protocol and hardware interface of one bus type into
another without changing the function of the bus.
array
All the physical disk drives in a storage system that are known to and under the
control of a controller pair.
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 % being the best possible rating.
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.
controller
A hardware device that, with proprietary software, facilitates communications
between a host and one or more devices organized in an array.