beautypg.com

Acronyms and abbreviations – Compaq 9900 User Manual

Page 135

background image

Hitachi Lightning 9900™ User and Reference Guide

121

Acronyms and Abbreviations

ACP

array control processor

ASTM

American Society for Testing and Materials

BS

basic (power) supply

BSA bus

adapter

BTU

British thermal unit

°C degrees

centigrade/Celsius

ca cache
CFW cache

fast

write

CH channel
CHP

channel processor or channel path

CHIP

client-host interface processor

CHPID channel

path

identifier

CKD

count key data

CL cluster
CPU

central processing unit

CSA Canadian

Standards

Association

CSW cache

switch

CU control

unit

CVS

custom volume size

DASD

direct access storage device

dB(A) decibel

(A-weighted)

DFDSS Data

Facility Dataset Services

DFSMS

Data Facility System Managed Storage

DFW

DASD fast write

DKC disk

controller

DKU disk

unit

dr drive
DSF

Device Support Facilities

DTDS+ Disaster

Tolerant Disk System Plus

ECKD

Extended Count Key Data

EOF

end of field

EPO emergency

power-off

EREP Error

Reporting

ESA

Enterprise Systems Architecture

ESCON

®

Enterprise System Connection (IBM

®

trademark for optical channels)

ExSA™

Extended Serial Adapter™

FAL

File Access Library (part of the HRX software)

FBA fixed-block

architecture

FC fibre-channel
FC-AL

fibre-channel arbitrated loop

FCC Federal

Communications

Commission

FCU

File Conversion Utility (part of the HRX software)

FDN

Freedom Data Networks