XM Satellite Radio AA-RU5HC-TE Manual De Usuario
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Command View EVA Storage System Scripting Utility Reference Guide
glossary
Glossary
Glossary
This glossary defines terms used in this guide or related to this product and is not
a comprehensive glossary of computer terms.
a comprehensive glossary of computer terms.
active virtual disk
A virtual disk 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.
A virtual disk 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.
array
All the physical disk drives in a storage system that are known to and under the control of a
controller pair.
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.
See controller.
block
Also called a sector. The smallest collection of consecutive bytes addressable on a disk drive. In
integrated storage elements, a block contains 512 bytes of data, error codes, flags, and the block
address header.
Also called a sector. The smallest collection of consecutive bytes addressable on a disk drive. In
integrated storage elements, a block contains 512 bytes of data, error codes, flags, and the block
address header.
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.
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.
command view EVA
A graphical user interface through which users control and monitor a storage system. The software
can be installed on one or more management appliances in a fabric. Each Command View EVA
installation is a management agent.
A graphical user interface through which users control and monitor a storage system. The software
can be installed on one or more management appliances in a fabric. Each Command View EVA
installation is a management agent.
communication logical unit number (LUN)
See console LUN.
See console LUN.