Dell PowerVault MD1120 User Manual download pdf (Page 41)

A REFERENCE GUIDE FOR OPTIMIZING DELL™ POWERVAULT™ MD1XXX FAMILY SAS SOLUTION VER A02

PAGE 41 6/16/2008

9. Appendix – B: Glossary

Array – Collection of multiple physical disks to form a single logical volume

BBU – Battery Backup Unit

BGI – BackGround Initialization

BIOS – Basic Input Output System

Cluster – Multi-initiator Environment with MSCS operating environment

HBA – Host Bus Adapter (non-RAID controllers)

Hot Plug – Insertion or removal of device without the need to quiescent I/Os

JBOD – Industry term used to describe a storage enclosure without integrated RAID capabilities.

Derived from the expression “Just a Bunch Of Disk”

MD1xxx Family – The Dell PowerVault MD1xxx Family include the MD1000 and MD1120

enclosures.

MD3xxx Family – The Dell PowerVault MD3xxx Family include the MD3000 and MD3000i storage

arrays

PERC – PowerEdge Expandable RAID Controller

RAID – Redundant Array of Inexpensive Disks or Redundant Array of Independent Disks

SAS – Serial Attached SCSI

SATA – Serial Advanced Technology Attachment

SCSI – Small Computer System Interface

SES – Storage Enclosure Services

U320 – Ultra 320 (320MB/sec through put)

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Dell PowerVault MD1120 User Manual Page 41