Specifications

Technology Overview

Xserve RAID

Storage

• Fourteen drive bays on independent Ultra ATA channels supporting up to 10.5TB of

total storage

using Apple Drive Modules, available in the following capacities:

– 250GB 7200-rpm Ultra ATA with 8MB disk cache

– 500GB 7200-rpm Ultra ATA with 8MB disk cache

– 750GB 7200-rpm Ultra ATA with 16MB disk cache and rotational vibration safeguard

• Empty drive bays contain blank modules

• Support for reading SMART data from Apple Drive Modules for prefailure notication

RAID controllers and cache memory

• Dual independent controllers, each with an environment management coprocessor

for out-of-band remote management and monitoring

• 512MB of cache memory per controller (1GB total)

• Cache Backup Battery Modules (sold separately) for more than 72 hours of

memory protection

RAID operation

• Support for RAID levels 0, 1, 3, 5, 0+1, 10, 30, and 50 (10, 30, and 50 using host-based

software RAID)

• Support for multiple RAID sets and multiple hosts

• Background RAID set creation; automatic variable background rebuilding;

online expansion; LUN slicing; global drive hot sparing (per RAID controller)

Fibre Channel storage-to-host connection

• Dual 2Gb Fibre Channel ports (SFP); 200MB/s throughput per channel with

guaranteed bandwidth (400MB/s full duplex)

• Host connectivity using Apple 2Gb and 4Gb Fibre Channel PCI cards (sold separately)

or compatible third-party PCI cards

• Support for point-to-point, loop, and switched fabric topologies

• Dual 10/100BASE-T Ethernet interfaces for remote management

Apple Fibre Channel PCI cards (sold separately)

• Dual- or quad-channel 2Gb and 4Gb Fibre Channel PCI cards with SFP Fibre

Channel ports

• Two or four 2.9-meter Fibre Channel copper cables with SFP transceivers; compatible

with short- and long-haul SFP transceivers and ber-optic cables

Cooling

• Redundant, hot-swappable cooling modules with self-regulating speeds and

front-to-back cooling

• Environmental monitoring system for automatically maintaining optimal ambient

temperature

Technical Specications