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Appendix: Glossary of Terms

Updated: September 30, 2009

Applies To: Windows Server 2008 R2

 

Acronym Definition

ALUA

Asymmetric Logical Unit Access

DDK

Driver Development Kit

DSM

device-specific module

GUI

graphical user interface

HBA

host bus adapter

I/O

input/output

IHV

independent hardware vendor

IIS

Internet Information Services

iSCSI

Internet SCSI

ISV

independent software vendor

IT

information technology

LUN

Logical Unit Number

MPIO

Multipath I/O

MSCS

Microsoft Cluster Server

NLB

Network Load Balancing

PDO

physical device object

RAID

redundant array of independent disks

SAN

storage area network

SAS

Serial Attached SCSI

SPC-3

SCSI Primary Commands - 3

USB

universal serial bus

WMI

Windows Management Instrumentation

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