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Glossary – HP StorageWorks XP Remote Web Console Software User Manual

Page 253

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Glossary

A

ACP

Array control processor.

Adr

address

async

Asynchronous.

ATM

Asynchronous transfer mode.

C

C/T

consistency time

CCHH

Cylinder, cylinder, head, head.

CCI

Command control interface. An HP RAID manager.

CCW

channel command word

CFW

Cache fast write.

CH

Channel.

CL

Cluster.

CNT

Computer network technologies.

CU

Control unit.

CYL

Cylinder.

D

DASD

direct access storage device

DB2

Database 2.

DFP

Data facility product.

DFSMS

Data Facility Storage Management Subsystem.

DFW

DASD fast write.

DR/BC

disaster recovery/business continuation

DSF

Device support facilities.

DWL

Duplex write line.

E

ELB

Extended long busy.

ERC

Error reporting communications.

ESA

Enterprise systems architecture.

ESCD

ESCON director

ESCON

Enterprise systems connection An optical interface used to connect the mainframe to the control
unit; a predecessor to FICON.

F

F/M

Format/Message.

G

GDPS

Geographically Dispersed Parallel Sysplex

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