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A16U-G2421
  • SCSI-320 to SATA-II single controller RAID subsystem
  • Hardware XOR engine by dedicated ASIC266 chipsets
  • Dual-speed fans to reduce noise
  • Enhanced modular enclosure design
Configuration Model Form Factor
Single A16U-G2421 3U rack-mount
Specifications
  RAID
  Multiple arrays configurable with dedicated or global hot spares
 

RAID levels supported: RAID 0, 1 (0+1), 3, 5, 10, 30, 50, NRAID and JBOD

 

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
 

Intelligent drive handling:

 
  • In degraded mode: skips irreparable blocks to continue rebuild
  • In normal operation: data-block verification and repair
  Host Interface
 
  • Two (2) SCSI-320 through four (4) 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/Os
  Drive Interface
 
  • Sixteen (16) 3.0Gbps SATA-II, hot-swappable drive trays that accommodate 1-inch pitch, 3.5-inch SATA-I, SATA-II or PATA disk drives
  • SATA-to-PATA dongle kit available to accommodate PATA drives
  • Automatic bad-sector reassignment
  • Dedicated bandwidth to each connected drive
  System Components
  Single controller configuration provides full RAID functionalities
 
  • One (1) EonStor® enhanced 3U enclosure
  • One (1) RAID controller module
  • One (1) 256MB DDR RAM DIMM module (pre-installed on the controller module)
  • Two (2), hot-swappable, redundant, 460W power supply units
  • Two (2), hot-swappable, redundant, dual-fan cooling modules running in high/low speeds
  • Sixteen (16), hot-swappable drive trays
  • Two (2) front handles
  • Optional battery backup unit (BBU) supported
  Management
 

Front LCD control panel for setup and configuration

  10/100 BaseT Ethernet for out-of-band management
  Two (2) RS-232C serial ports for local access to firmware-embedded utility and UPS connectivity
 

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 (GUI-onboard)
  • 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 messager, ICQ, 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 module
  • Power supply unit
  • Hard drive
  • BBU module
Module status LED indicators:
  • Two (2) per drive tray
  • Two (2) per cooling module
  • One (1) per power supply unit
  • One (1) per BBU module
  • Three (3) per LCD panel
  • Five (5) per RAID controller module
  • Two (2) per Ethernet port
Module failure alert through I2C bus
   
  Intelligent Drive Handling
  If two bad blocks occur on two member drives of an array, the integrity of the stored data is endangered. Media Scan, Infortrend’s innovative intelligent drive handling function, retrieves data from the damaged sectors. Media Scan handles low quality drives in both the degraded mode and during the rebuild process. For additional data security, other intelligent drive management features include the transparent resetting of hung hard drives, power-failure management, and bad-drive handling during LD expansion.
  Task Scheduler
  The Task Scheduler is combined with Media Scan so that the scanning operation can be scheduled beginning at a specified start time and repeating at the configurable intervals. The operation is thus hands free. Each such schedule can be defined to operate on individual hard drives, all drives of a certain class, all member drives of a specified logical drive, or all member drives of all logical drives.
  Interfaces
 
  • Four (4) ports in two (2) dual-stacked VHDCI SCSI connectors
  • Two (2) COM ports (38400, n, 8, 1)
  • One (1) 10/100BaseT Ethernet port
  Power Supply Module
  Two (2) redundant hot-swappable power supplies with PFC
 
Input: 100VAC at 10A, 240VAC at 5A with PFC (auto-switching)
47 ~ 63Hz
Output: (Maximum output: 460 Watts)
  +12.0V 32A max.
  + 5.0V 32A max.
  + 3.3V 30A max.
Dimensions: 248.9(D) x 128(W) x 82.1(H) mm
  Cooling Module
  Two (2) redundant dual-fan cooling modules
 
Maximum air flow: High speed: 31.78 DFM
Low speed: 20.13 CFM
Dimensions: 263.7(D) x 123.2(W) x 36.4(H) mm
  Environmental Specifications
 
Operating temperature: 5° to 40°C
Non-operating temperature: -20° to 60°C
Relative humidity: 5 ~ 95%, non-condensing
Operating altitude: Operating: 0 ~ 10,000 ft
  Dimensions
 
  • Chassis without handles: 445(W) x 130(H) x 488.2(D) mm
  • Chassis with handles: 482.6(W) x 131(H) x 504.3(D) mm
  • Package: 423H x 567W x 772D mm
  System Weight
 
  • Net weight: 28.5kg
  • Gross weight: 30.5kg

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