HP 166207-B21 Smart Array 5300 Controller User Guide - Page 148

Automatic Data Recovery, cache, capacity expansion, controller duplexing, Compaq Insight Manager

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Page 148 highlights

Glossary Automatic Data Recovery Also known as rebuild. A process that automatically reconstructs data from a failed drive and writes it onto a replacement drive. Rebuild time depends on several factors, but at least 15 minutes should be allowed per gigabyte. cache A high-speed memory component, used to store data temporarily for rapid access. capacity expansion Abbreviation for array capacity expansion. The addition of physical drives to a pre-existing drive array, and redistribution of existing logical drives and data over the enlarged array. The size of the logical drives does not change. This feature is available only with Compaq array controllers that have a battery-backed array accelerator installed. capacity extension Abbreviation for logical drive capacity extension. The enlargement of a logical drive without disruption of data. There must be free space on the array before extension can occur. If necessary, create free space by deleting a logical drive or by carrying out a capacity expansion. Capacity extension can be carried out online with some operating systems. controller duplexing A type of fault tolerance that requires two Smart Array controllers. Each controller has its own set of drives, and the drive sets have identical data. When one controller fails, the other automatically takes over the servicing of requests. Controller duplexing is available only for some operating systems. Compaq Insight Manager A server management utility capable of collecting, analyzing and transmitting data about the condition of a server. It is also useful for managing server fault conditions, monitoring server performance, and remotely controlling, reconfiguring, or restarting your system. Compaq Management Agents Server-based software that transmits data about the server to SNMP-based management tools, such as Compaq Insight Manager. CPQONLIN An array configuration utility for NetWare that can be used while the server is online. Glossary-2 Compaq Smart Array 5300 Controller User Guide

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Glossary
Glossary-2
Compaq Smart Array 5300 Controller User Guide
Automatic Data Recovery
Also known as rebuild. A process that automatically reconstructs data from a failed drive and
writes it onto a replacement drive. Rebuild time depends on several factors, but at least 15
minutes should be allowed per gigabyte.
cache
A high-speed memory component, used to store data temporarily for rapid access.
capacity expansion
Abbreviation for array capacity expansion. The addition of physical drives to a pre-existing
drive array, and redistribution of existing logical drives and data over the enlarged array. The
size of the logical drives does not change. This feature is available only with Compaq array
controllers that have a battery-backed array accelerator installed.
capacity extension
Abbreviation for logical drive capacity extension. The enlargement of a logical drive without
disruption of data. There must be free space on the array before extension can occur. If
necessary, create free space by deleting a logical drive or by carrying out a capacity
expansion. Capacity extension can be carried out online with some operating systems.
controller duplexing
A type of fault tolerance that requires two Smart Array controllers. Each controller has its
own set of drives, and the drive sets have identical data. When one controller fails, the other
automatically takes over the servicing of requests. Controller duplexing is available only for
some operating systems.
Compaq Insight Manager
A server management utility capable of collecting, analyzing and transmitting data about the
condition of a server. It is also useful for managing server fault conditions, monitoring server
performance, and remotely controlling, reconfiguring, or restarting your system.
Compaq Management Agents
Server-based software that transmits data about the server to SNMP-based management tools,
such as Compaq Insight Manager.
CPQONLIN
An array configuration utility for NetWare that can be used while the server is online.