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  A12E-G2121                                                    |    Specifications    |    Accessories    |    Datasheet  
           
   
  • iSCSI Gigabit (Gb) Ethernet to SATA-II (3Gbps) RAID subsystem
  • Easy snap-in storage over standard Ethernet infrastructures
  • Hardware XOR engine by dedicated ASIC266 chipsets
  • Support for iSCSI initiators compliant with IETF iSCSI standard (RFC 3720)
  • Microsoft Windows Server 2003 Virtual Disk Service (VDS) compatibility via Infortrend hardware provider
  • High-availability, modular enclosure design
  • DDR Memory up to 2GB
   
           
Host-to-Drive Interface
Model
Configuration
Form Factor
iSCSI to SATA-II (3Gbps)
A12E-G2121-2
Single Controller
2U Rackmount
 
  Specifications        
  RAID        
 
  • Supports all standard RAID functionality
  • Supports RAID 0, 1 (0+1), 3, 5, 10, 30, 50, and NRAID
  • Configurable stripe size and write policy per array
  • Intelligent Drive Handling:
    • In degraded mode: skips irreparable blocks to continue rebuild
    • In normal operation: data-block verification and repair
 
  System Components        
 
  • One (1) enhanced 2U enclosure
  • One (1) RAID and I/O management module
  • One (1) 256MB DDR RAM DIMM module (pre-installed on the controller module)
  • Two (2), hot-swappable, redundant, 350W power supply units
  • Three (3), hot-swappable, redundant, cooling modules running in high/low speeds
  • Twelve (12), hot-swappable drive trays
  • Two (2) front handles
  • Optional battery backup unit (BBU)
 
  Host Interface        
 
  • Two ( A12E-G2121-2) 1 Gbps Ethernet
  • Concurrent I/O commands
  • Tagged command queuing up to 256
  • Adaptive cache write policies
 
  Drive Interface        
 
  • Twelve (12) 3.0Gbps SATA-II (3Gbps) , hot-swappable drive trays
  • Accommodates 1-inch pitch, 3.5-inch SATA-II (3Gbps) or SATA-I disk drives
  • SATA-to-PATA dongle kit available to accommodate PATA drives
  • Automatic bad-sector reassignment
  • Dedicated bandwidth to each connected drive
 
  Management        
 
  • One (1) RS-232C serial port for local access to firmware-embedded utility
  • GUI, Telnet, and SSH system monitoring via Ethernet
  • RAIDWatch manager software for Windows and Linux platforms
  • Firmware-embedded manager via RS-232C (audio jack) that is platform independent
  • Widest range of event notification methods including email, LAN broadcast, fax, SNMP traps, SMS, MSN, and ICQ
  • Module status LED indicators:
    • Two (2) per drive tray
    • Nine (9) or per controller module
    • One (1) per power supply unit
    • One (1) per BBU module
    • One (1) per cooling module
  • Module failure alert through I²C bus
 
  Physical/Electrical  
  Interfaces  
 
  • Two (2) RJ-45 ports for Cat5e copper Ethernet networks
  • One (1) COM port (38400, n, 8, 1)
 
  Power Supply Module  
  Two (2) redundant hot-swappable power supplies with PFC  
 
Input
  100VAC at 6A, 240VAC at 3A with PFC (auto-switching)
  47 to 63Hz
Output
  (Maximum output: 350 Watts)
  +12.0V
  25A max.
  + 5.0V
  25A max.
  + 3.3V   20A max.
 
  Cooling Module  
  Three (3) redundant dual-fan cooling modules  
 
Maximum Air Flow
High speed: 31.78 DFM
Low speed: 20.13 CFM  
 
  Environmental Specifications  
 
Temperature

Operating: 5° to 40°C (35°C if battery is applied)
Non-operating: - 40° to 60°C (-40° F to 140° F)

Relative Humidity
5 ~ 95%, non-condensing
Altitude
Operating: sea level to 12,000 ft
 
  Dimensions  
 
  • Chassis without handles: 446(W) x 88(H) x 490(D) mm
  • Chassis with handles: 482(W) x 88(H) x 505(D) mm
  • Package: 344H x 600W x 670D mm
 
  System weight  
 
  • Net weight: 23.5kg
  • Gross weight: 25.0kg (without drives)
 
   
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