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Infortrend EonStor A24U-G2421-1M5 24-Bay SCSI-to-SATA RAID-System

Infortrend EonStor A24U-G2421 front view, showing 24 HDD-Bays and LCD
Infortrend EonStor A24U-G2421
Infortrend EonStor A24U-G2421 rear view showing 2 PSUs and 3 fans

The ES A24U-G2421-1M5 boasts an IBM PowerPC FX 600MHz CPU and supports up to 24 3.5 LFF SATA II HDDs.

Built around Infortrend's proprietary ASIC266 dual PCI-X architecture, the subsystem features a single RAID controller, two SCSI host channels, DDR266 cache memory, two dual-fan cooling modules, three power supplies, and an optional battery backup unit.

With reliable SCSI and clustering support, the EonStor A24U is a great, cost-effective storage solution to incorporate into disk farms, ATM service centers, and imaging stations that require RAID protection at a lower cost per gigabyte.

To guarantee easy service and maintenance, this new array comes with modular, field-replaceable units that can be conveniently accessed from the front or rear of the enclosure. A hard disk drive, power supply, battery module, RAID controller or cooling fan can be replaced within seconds in the event of component failure.

The A24U-G2421-1M5 chassis has been enhanced to reduce vibration resonance and its dual-speed cooling fans provide quiet operation and lower power consumption under normal operating conditions. With its auto switch cache and shutdown policies plus support for an optional battery backup unit and uninterruptible power supply, the ES A24U ensures data protection when critical conditions occur.

Features and Benefits

  • Full-featured RAID functionality with two (2) SCSI-320 host channels; transfer rate up to 320MBps each
  • The best end-to-end I/O performance in RAID5 configuration: Sequential Read: 465MB/s, Sequential Write: 348MB/s
  • Single RAID controller providing complete RAID functionality
  • Designed to use 3Gbit/sec SATA-II disk drives; backward compatible with SATA-I disk drives
  • Hardware XOR engine by dedicated ASIC266 chipsets
  • RAID level 0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60, JBOD
  • High density 4U chassis
  • Optional hot-swappable battery backup unit (BBU)
  • Dual-speed cooling fans to reduce system noise
  • Ease of management through an LCD keypad panel, RS-232C terminal, or an Ethernet link (TCP/IP) to a PC running Java-based RAIDWatch manager
  • Real-time event notification by a variety of methods
  • Backplane-based, cableless, modular enclosure

Technical Specifications

Model Infortrend EonStor A24U-G2421-1M5
Host-Interface 2x Ultra320 SCSI (2x VHDCI)
Controller single
RAID Engine ASIC266
Battery Backup optional
Cache Memory 512MB~2048MB DDR RAM (512 MB installed)
Disk Interface SATA II (3Gbit/s)
Harddisk Drives up to 24x 3.5 LFF SATA II, hot swappable
Rails optional
Hot Swap Fan Modules 2
Power Supply 3x 405W, redundant, hot-swappable
AC Input Voltage 100/240 V (± 10%), 47~63Hz
Data Transfer Rate up to 320MB/s per Host
Front Panel LCD and Buttons easy access for configuration and status report
RS-232 Terminal Command Line Interface (CLI) for configuration and status report
Management RAIDWatch manager software for all major platforms via Ethernet port
Event Notification Email, fax, LAN broadcast, SNMP traps, MSN messenger and SMS short messages
Operating Systems
Supported OS OS independent
RAID Level 0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60, JBOD
RAID Features Multiple arrays configurable with dedicated or global hot spares
Online expansion Adding new drives, copying and replacing drives with drives of larger capacity, automatic background rebuilds, independent array stripe size and write policy
Environment Specification
Humidity 10%~80%, non-condensing
Operating Temperature 0°C~40°C
Dimension and Weight
Physical Dimensions/mm (Width x Height x Depth) 482 x 174.4 x 514 (with handles), 4U RM
Weight (without drives) 36.5kg
Gross weight (without drives) 39.6kg
Warranty 3 years
Service optional