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  • SCSI to SATA RAID Subsystem
  • Two (2) 320MB/second SCSI host channels
  • Eight (8) 3.0Gbps SATA-II drive channels
  • Versatile orientation (the subsystem can be configured as either a tower or desktop subsystem)
  • Cascade up to four (4) subsystems
Configuration Model Form Factor
Single A08U-C2410 Tower or Desk top
  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
  1. Adding new drives
2. Copying and replacing drives with drives of larger capacity
  Automatic background rebuild
  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
  • Multiple arrays configurable with dedicated or global hot spares
  Host Interface
  • Two (2) SCSI-320 host channels connected to two dual-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
  • Eight (8) 3.0Gbps SATA-II drive channels
  • Each drive channel is connected to a hot-swappable drive tray that accommodates 1-inch pitch, 3.5-inch SATA disk drives
  • SATA-to-PATA dongle kit available to accommodate parallel ATA (PATA) drives
  • Automatic bad-sector reassignment
  • Dedicated bandwidth to each connected drive
  System Components
  Subsystem components include
  • One (1) EonStor® enclosure
  • One (1) RAID controller module
  • One (1) LCD panel
  • One (1) 128MB (or above) SDRAM DIMM module (pre-installed on the controller module)
  • Two (2), hot-swappable, redundant, 250W power supply units
  • Two (2), hot-swappable, redundant, single-fan, cooling modules
  • Eight (8), hot-swappable, drive trays
  • Four (4) foot-plates
  • One (1) optional battery backup unit (BBU)
  Front LCD control panel for setup and configuration
  10/100 BaseT Ethernet for out-of-band management
  RS-232C 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 (GUI-onboard)
  • Centralized management to monitor and administer multiple RAID units on one 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
  Onboard alarm is triggered when one of the following modules fails:
  • RAID controller module
  • Cooling module
  • Power supply unit
  • Hard drive
  Configuration Client for real-time event notification over email, Fax, LAN broadcast, MSN messaging, ICQ, or SNMP traps
  Module status LED indicators:
  • Two (2) per drive tray
  • One (1) per power supply unit
  • Three (3) per LCD panel
  • Five (5) per RAID controller module
  • Two (2) per RJ-45 Ethernet connector
  • One (1) per optional BBU module
  Module failure alert through I2C bus
  Auto Switch Cache Policy and Auto Shutdown
  When a RAID controller detects conditions exceeding preset thresholds, the following actions are initiated to protect the hardware:
  1. Cached data is automatically flushed and the array’s caching mode switches from write-back to write-through mode.
  2. If conditions persist past the preset period of time, auto shutdown of the controller will commence.
  All thresholds associated with this mechanism are user configurable and, once a subsystem manager restores the normal operating conditions, the caching mode reverts from write-through to write-back mode.
  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 non-responsive hard drives, power-failure management, and bad-drive handling during LD expansion.
  • Dual-stack VHDCI, 0.8mm LVDS SCSI connectors
  • One (1) audio jack RS-232C serial port (38400, n, 8, 1)
  • One (1) RJ-45 Ethernet port
  Power Supplies
  • Two (2) redundant hot-swappable power supplies with PFC
  • Input: 90 to 260VAC, 47 to 63Hz
  • Output: (250 Watts Max.)
  • +12.0V 16A max
  • + 5.0V 20A max.
  • + 3.3V 20A max.
  Cooling Fans
  • Two (2) redundant, single-fan cooling modules
  • Fan speed:
    High temperature: 4500rpm
    Low temperature: 3700rpm
  • Maximum air flow:
    High temperature: 1.50m3/min
    Low temperature: 1.21m3/min
  Environmental Specifications
  • Operating temperature: 0 to 40°C
  • Non-operating temperature: -40 to 65°C
  • Relative humidity: 5 to 95%, non-condensing
  • Operating altitude: Operating: 0 to 10,000 ft
  • Non-operating: 0 to 40,000 ft

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