User Guide

AR1000 RAID Subsystem Hardware Reference Guide 9

I. Introduction

Features

• 1-3. Features

AR1000 is a RAID subsystem configured on the DA3000 RAID controller,

which supports up to 5 drive channels accommodating many hard drives

configurations for optimal fault tolerance and performance. The following

are highlights to this system’s many features. For additional features and

details, read the user’s manual of the RAID controller included with this

package.

DA3000 RAID Controller

• Uses AMD 5x86-133 CPU

• Supports Ultra2/Ultra-Wide SCSI device interface

• Up to 128 MB of intelligent Read-Ahead/Write-Back cache memory

• Six operating modes: Non-RAID, RAID-0, RAID-1, RAID-0+1, RAID-

3, and RAID-5

• SAF-TE support

• Automatic bad sector reassignment

• Background rebuilding

• Global and local spare drive operation

• Provides up to 5 drive channels, each supporting 15 SCSI IDs

• Connects up to 8 logical drives, each with independent RAID modes

• Front panel LCD and RS-232 terminal interface for display and configuration

System Management Tools

• TEXT RAID Manager operating under DOS/NT/NetWare

• GUI RAID Manager

Chassis

• One 5.25” device tray for the DA3000 RAID controller; two hot-swap

SCA hard disk drive modules

• Four foldable chassis stabilizers

• Metal door lock

• Front panel removable for rack mounting

• 19” rack compliant

Device Bay

• Holds up to six 1.6” or ten 1.0” hot-swap trays for Ultra2 SCSI SCA hard

disk drives

• Power LEDs to indicate power and fan status