Appendix - B: Glossary - Dell PowerVault MD1120 Optimization Manual

A REFERENCE GUIDE FOR OPTIMIZING DELL™ POWERVAULT™ MD1XXX FAMILY SAS SOLUTION VER A02
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)
PAGE 41 6/16/2008