AR1000 RAID Subsystem Hardware Reference Guide
9
I. Introduction
I. Introduction
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
