Dell PowerVault 221S (SCSI) - Manual (Page 42)

A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02
PAGE 42 11/17/2005
8. Appendix – B: Glossary
Array – Collection of multiple physical Hard Disk Drives to form a single logical volume
BBU – Battery Backup Unit
BIOS – Basic Input Output System
Cluster – Multi-initiator Environment with MSCS operating environment
HBA – Host Bus Adapter (non-RAID controllers)
HDD – Hard Disk Drive
Hot Plug – Insertion or removal of device without the need to quiescent I/Os
PERC – Power Edge RAID Controller
RAID – Redundant Array of Inexpensive Disks or Redundant Array of Independent Disks
ROMB – RAID On Motherboard
SCSI – Small Computer System Interface
U160 – Ultra 160 (160MB/sec throughput)
U320 – Ultra 320 (320MB/sec through put)
Warm Plug – Insertion or removal of device with all the I/Os quiescent