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Glossary – HP Hitachi Dynamic Link Manager Software User Manual

Page 409

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Glossary

This glossary explains the terms used in this manual.

A

automatic failback

A function for checking the status of paths at regular intervals, and automatically

placing the status of a path recovered from an error into the Online status.

If a path with an Offline(E) or Online(E) status recovers from an error, an automatic

failback will place the path Online.

Automatic failbacks check the status of paths that were placed in the Offline(E) or
Online(E) status because of an error, but do not check the status of paths that were

placed in the Offline(C) status by executing an offline operation. For details on offline

operations, see

offline (Places Paths Offline) on page 6-6

.

AutoPATH_ID

An ID that HDLM assigns to a path during the system startup. Every path has a unique

AutoPATH_ID.

(See also: path)

C

CHA (Channel Adapter)

An adapter for controlling the channels of a storage system.

CLPR(Cache Logical Partition)

A function supported by the Hitachi USP, Universal Storage Platform V/VM, Virtual

Storage Platform, and Hitachi AMS2000/AMS/WMS/SMS series for logically splitting up a

cache. This function can split up a cache into parity groups in the storage system, so

that other parity groups do not affect the cache performance.

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Q

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U V W X

Y

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Glossary-1

Hitachi Dynamic Link Manager User Guide (for Windows(R))

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