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Hitachi 9900 V Series User Manual

Page 63

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PRELIMINARY RELEASE

Hitachi Lightning 9900™ V Series LUN Expansion and Virtual LVI/LUN User’s Guide

51

copy operations between 9900V subsystems in different locations for data
backup and disaster recovery purposes.

UCB

unit control block

User account
list

The user account list includes user information such as user ID, password,
and write permission for each 9900V option.

VLL

Virtual LVI/ LUN is an option that enables you to configure custom-size
logical device images and logical units, which are smaller than standard-
size devices.

Volser volume

serial

number

(mainframe volume identifier, not related to the

LDEV ID)

Remote
Console

The Remote Console communicates directly with the service processor
(SVP) of each attached subsystem to obtain subsystem configuration and
status information and send user-requested commands to the subsystem.

WWN

Worldwide Name is a unique identifier for a particular open-system host
bus adapter, consisting of a 64-bit physical address (the IEEE 48-bit format
with 12-bit extension and 4-bit prefix).