HP StorageWorks Sun Solaris Kit V3.0B for Enterprise Virtual Array Installation and Configuration Guide (AA-RUH4B-TE, October 2003)

37Sun Solaris Kit V3.0B for Enterprise Virtual Array Installation and Configuration Guide
glossary
Glossary
Glossary
This glossary defines Enterprise Virtual Array terms used in this publication or
related to this product and is not a comprehensive glossary of computer terms.
active virtual disk
A virtual disk (VD) is a simulated disk drive created by the controllers as storage for one or
more hosts. An active virtual disk is accessible by one or more hosts for normal storage. An
active virtual disk and its snapshot, if one exists, constitute a virtual disk family. An active
virtual disk is the only necessary member of a virtual disk family.
See also virtual disk, virtual disk copy, virtual disk family, and snapshot.
adapter
See controller.
array
All the physical disk drives in a storage system that are known to, and under the control of,
a controller pair.
array controller
See controller.
cable assembly
A fiber optic cable that has connectors installed on one or both ends. General use of these
cable assemblies includes the interconnection of multimode fiber optic cable assemblies
with either LC or SC type connectors.
■ When there is a connector on only one end of the cable, the cable assembly is referred
to as a pigtail.
■ When there is a connector on both ends of the cable, the cable assembly is referred to as
a jumper.
cache
High-speed memory that sets aside data as an intermediate data buffer between a host and
the storage media. The purpose of cache is to improve performance.
See also read cache, write cache, and mirrored cache.