HP StorageWorks XP Remote Web Console Software User Manual

Page 72

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LD, LDEV

Logical device. An LDEV is created when a RAID group is carved into pieces according to the
selected host emulation mode (that is, OPEN-3, OPEN-8, OPEN-9). The number of resulting LDEVs
depends on the selected emulation mode. The term LDEV is also known as term volume.

LU

Logical unit.

LVI

Logical volume or image (for example, 3390-3R).

M

MIH

Missing interrupt handler.

MVS

Multiple virtual storage.

P

PAV

Parallel access volume.

PB

Petabyte; equals 1,000^5 bytes (for physical storage such as hard disk drives) or 1,024 TB or
1,024^5 bytes (for logical storage).

PPRC

Peer-to-peer remote copy.

PTF

Program temporary fix.

R

R-SIM

Remote service information message.

rnd

Random.

S

S/390

System/390.

S/N

Serial number (also abbreviated as s#).

SCI

State-change-interrupt.

SCP

State-change-pending.

seq

Sequential.

SIM

Service information message.

SIz

ShadowImage for Mainframe.

SMS

System Managed Storage.

SSB

Sense byte.

SSCH

Start subchannel.

SSID

Subsystem identifier; storage system identifier.

SVP

Service processor. A computer built into a disk array. The SVP, used only by an HP service
representative, provides a direct interface to the disk array.

T

TB

Terabyte. Equivalent to 1,000 Gb for data storage and statistics, or 1,024 Gb for memory.

TCz

Hitachi TrueCopy™ for Mainframe.

TCzA

TCz Asynchronous.

U

UA

Unit address.

UCB

Unit control block.

V

VM

Virtual Machine.

72

Glossary

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