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- Full-featured RAID functionality with two (2) SCSI-320 host channels; transfer rate up to 320MBps each
- Up to 12TB of storage capacity
- Accommodates twenty-four (24) SATA II hard drives, backward compatible with SATA I drives
- Hardware XOR engine by dedicated ASIC266 chipsets
- Dual-speed cooling modules to reduce system noise
- Backplane-based, cableless, modular enclosure
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SCSI-320 to SATA II |
A24U-G2421 |
Single controller |
4U rack-mount |
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- Multiple arrays configurable with dedicated or global hot spare drives
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RAID levels supported: RAID 0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60, and NRAID
- Adding new drives
- 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
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- Single RAID controller configuration provides full-featured RAID functionality
- One (1) 4U enclosure
- One (1) RAID controller module
- One (1) 512MB DDR RAM DIMM module preinstalled on the controller module; system supports 512MB to 2GB capacity DIMM modules
- Three (3, N+1) hot-swappable, redundant, 405W power supply units
- Twenty-four (24) hot-swappable drive trays
- Two (2) hot-swappable, redundant cooling modules
- Two (2) forearm front handles
- One (1) optional battery backup unit (BBU)
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- Two (2) SCSI-320 host channels interfaced through two (2) dual-stacked VHDCIs
- Tagged command queuing up to 256
- Host-side ordered tag support
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- Twenty-four (24) hot-swappable 3Gbps SATA II drive trays that accommodate 1-inch pitch SATA II or SATA I disk drives
- Native Command Queuing (NCQ) support
- Dedicated bandwidth to each connected drive
- Automatic bad sector reassignment
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- Firmware-embedded utility via LCD keypad or RS-232C terminal
- 10/100BaseT Ethernet for out-of-band management
- Two (2) COM ports for local access to firmware-embedded utility and UPS connectivity
- Telnet access via onboard Ethernet port
- Java-based RAIDWatch® Manager
- Graphical user interface
- Local/remote management; in-band or out-of-band via TCP/IP
- Centralized management of multiple subsystems from one management computer
- A variety of event notification methods via the Configuration Client sub-module: email, fax, LAN broadcast, SNMP traps, MSN messenger, ICQ, and SMS short messages
- Secure link over SSL
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- 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
- Four (4) per RAID controller module
- Two (2) per Ethernet port
- Module failure indication and temperature/voltage readings through I²C bus
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- Four (4) 68-pin VHDCIs in dual-stacked configurations Two (2) COM ports for RS-232C terminal and UPS connection (38400, n, 8, 1) One (1) 10/100BaseT Ethernet port
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Three (3) redundant, hot-swappable power supplies with PFC |
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90VAC @ 8AC , 264VAC @ 4AC with PFC |
47 to 60Hz |
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(Maximum output: 405 Watts) |
+3.3V: min. 0.5A, max. 20A
+5V: min. 2.5A, max. 36A
+12V: min. 1A, max. 24A
+5V SB: min. 0A, max. 0.5A
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Two (2) redundant, dual-fan cooling modules |
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Operating: 0º to 40ºC
Non-operating: - 40º to 60ºC |
5% to 95% (non condensing - operating and non-operating) |
Operating: sea level to 12,000 ft
Non-operating: sea level to 40,000 ft |
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- Chassis without handles: 445W x 174.4H x 498D mm (17.6 x 6.86 x 19.6 inches)
- Chassis with handles 482W x 174.4H x 514D mm (18.97 x 6.86 x 20.2 inches)
- Package: 590W x 480H x 700D mm
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- Net weight: 36.5kg
- Gross weight: 39.6kg
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