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  A04U-G2421                                                       |    Specifications    |    Accessories    |    Datasheet  
           
   
  • SCSI-320 host channel; transfer rate up to 320MBps per channel
  • Single RAID controller providing complete RAID functionality
  • Compact 1U space-saving design
  • Supports up to four (4) SATA-II (3Gbps) , 3Gbps disk drives; backward compatible with SATA-I disk drives
  • SATA NCQ (Native Command Queuing) support
  • Real-time event notification by a variety of methods
   
           
Host-to-drive Interface
Model
Configuration
Form Factor
SCSI to SATA
A04U-G2421
Single controller
1U Rackmount
 
  Specifications        
  RAID        
 
  • Multiple arrays configurable with dedicated or global hot spares
  • RAID levels supported: RAID 0, 1 (0+1), 3, 5, 10, and NRAID
  • Online expansion by:
    • Adding new drives
    • Copying and replacing drives with drives of larger capacity
  • Automatic background rebuilds Configurable stripe size and write policy per array
 
  System Components        
 
  • Single controller configuration provides full RAID functionalities
  • One (1) EonStor® compact 1U enclosure
  • One (1) RAID controller module
  • One (1) 256MB DDR RAM DIMM module (pre-installed on the controller module)
  • One (1) 200W power supply unit
  • Two (2) single-speed cooling fans
  • Four (4) hot-swappable drive trays
 
  Host Interface        
 
  • One (1) SCSI-320 through two (2) VHDCI 68-pin SCSI ports; SCSI-160 backward compatible
  • Concurrent I/O commands
  • Tagged command queuing up to 256
  • Variable stripe size per logical drive
  • Optimization setting for random or sequential I/O
 
  Drive Interface        
 
  • Four (4) 3Gbps SATA-II (3Gbps) , hot-swappable drive trays that accommodate 1-inch pitch, 3.5-inch SATA-I or SATA-II (3Gbps) disk drives
  • Automatic bad-sector reassignment
  • Dedicated bandwidth to each connected drive
 
  Management        
 
  • 10/100 BaseT Ethernet for out-of-band management
  • One (1) RS-232C serial port for local access to firmware-embedded utility
 
 

Firmware-embedded Java-based RAIDWatch® GUI manager:

 
 
  • VT-100 terminal emulation via RS-232C
  • Telnet access via onboard Ethernet port
  • Cross-platform, remote administration with SSL
  • Out-of-band access via Ethernet
  • Centralized management to monitor and administer multiple RAID units on one screen

Configuration client for real-time event notification over Email, Fax, LAN broadcast, SNMP Traps, MSN messenger, SMS short messages, and the configuration utility screen

 
  SNMP agent support:  
 
  • SNMP trap event notification with plain-text event message (no MIB file required)
  • SNMP V2.0 MIB file support with get-and-set commands
 
  Indicators  
 

Onboard alarm is triggered when one of the following modules fails:

  • RAID controller module
  • Cooling fans
  • Hard drive
 
  Module status LED indicators:  
 
  • Two (2) per drive tray
  • Three (3) per LED panel
  • Four (4) per RAID controller module
  • Two (2) per Ethernet port

Module failure alert through I²C bus

 
  Physical/Electrical  
  Interfaces  
 
  • Two (2) ports in one (1) dual-stacked VHDCI SCSI connector
  • One (1) COM port (38400, n, 8, 1)
  • One (1) 10/100BaseT Ethernet port
 
  Cooling Module  
 

Two (2) single-speed cooling fans

 
 
Normal Air Flow
  13.4 CFM 
 
  Environmental Specifications  
 
Temperature

Operating: 0º to 40ºC (32º F to 104º F)
Non-operating: - 40º to 60ºC (-40º F to 149º F)

Relative Humidity
5 ~ 95%, non-condensing
Altitude
Operating: sea level to 12,000 ft
Non-operating: sea level to 40,000 ft
 
  Dimensions  
 
  • Without handles: 445 (W) x 43.5 (H) x 511 (D) mm (17.5 x 1.7 x 20.1 inches)
  • With handles: 478 (W) x 43.5 (H) x 511 (D mm (18.8 x 1.7 x 20.1 inches)
  • Package: 582 (W) x 180 (H) x 718 (D) mm (22.9 x 7 x 28.3 inches)
 
  System weight  
 
  • Net weight: 8 Kg (approx.)
  • Gross weight: 10 kg
 
   
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