A04U-G2421

• 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 disk drives; backward compatible with SATA-I disk drives
• SATA NCQ (Native Command Queuing) support
• Real-time event notification by a variety of methods

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

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, hot-swappable drive trays that accommodate 1-inch pitch, 3.5-inch SATA-I or SATA-II disk drives
• Automatic bad-sector reassignment
• Dedicated bandwidth to each connected drive

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

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

• 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 bu

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

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 

A04U-G2421

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