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24 Bay SATA II RAID with redundant Fibre-channel controllers
IQ-RAID-A424F-D4448
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Highlights
- Single controller with two (2) 2Gbps, bypass-embedded Fibre host channels
- Eight (8) Fibre ports via independent host connection modules increase channel availability
- Accommodates twenty-four (24) 3Gbps, SATA-II hard drives, backward compatible with SATA-I drives
- Highest density 4U chassis providing up to 12TB of storage capacity
- Support up to 2GB DDR RAM DIMM module
- Hot-Swappable Battery Backup Units (BBUs)
- Highest fault tolerance with RAID6 configuration
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RAID
- Multiple arrays configurable with dedicated or global hot spares
- RAID levels supported: RAID 0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60, 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
System Components Redundant controller configuration provides full RAID functionalities
- One (1) enhanced 4U enclosure
- One (1) RAID controller module
- One (1)
512MB DDR RAM DIMM
module (pre-installed on the controller module)
- Three (3) hot-swappable, (N+!) redundant, 405W power supply units
- Two (2) hot-swappable, redundant, dual-fan cooling modules running in high/low speeds
- Twenty-four (24) hot-swappable drive trays
- Two (2) front handles
- One (1) optional independent battery backup unit (BBU)
- One (1) enclosure configuration card
- Two (2) host connection modules
Host Interface
- Two (2) FC-2G host channels with embedded bypass circuit to eight (8) Fibre
ports on two (2) hot-swappable, independent host connection modules
- DIP switch settings to change host port attributes
- Auto-negotiate FC-AL, point-to-point, or switched fabric
- Tagged command queuing up to 256
- Variable stripe size per logical drive
- Optimization setting for random or sequential I/Os
Drive Interface
- Twenty-four (24) hot-swappable 3Gbps SATA-II drive trays that accommodate 1-inch pitch, 3.5-inch SATA-II or SATA-I disk drives
- Automatic bad-sector reassignment
- Dedicated bandwidth to each connected drive
Management
- Firmware-embedded utility via LCD keypad or RS-232C port
- Host-side SES emulation with pass-through to back-end SES emulation
- VT-100 terminal emulation via RS-232C
- Telnet access via onboard Ethernet port
- 10/100 BaseT Ethernet for out-of-band management
- Two (2) COM ports for local access to firmware-embedded utility and UPS connectivity
- Firmware-embedded Java-based RAIDWatch® manager:
- Graphical user interface
- Local/remote management; in-band or out-of-band via TCP/IP
- Centralized management to monitor and administer multiple RAID units on one screen
- Secure link over SSL
- Configuration Client for easy access to the configuration utility screen
- SNMP 2.0 MIBs with get and set commands
SAN Management Up to 1024 LUNs (if sufficiently large memory is used with the proper settings)
Indicators
- Onboard alarm is triggered when one of the following fails:
- RAID controller module
- Cooling module
- Power supply unit
- Hard drive
- BBU module
- Host connection module
- Module status LED indicators:
- Two (2) per drive tray
- Three (3) per LCD panel
- Five (5) per RAID controller module
- Two (2) per Ethernet port
- Two (2) per cooling module
- One (1) per power supply unit
- One (1) per BBU module
- Two (2) per FC port (One LED is reserved)
- Module failure alert through I2C bus
- Event notifications sent over email, fax, LAN broadcast, SNMP traps, MSN messenger, ICQ, SMS short messages
- System alerts through Java-based RAIDWatch manager
IOSmart IOSmart allows for the flexible configuration of logical drives, logical volumes and logical partitions and ensures instant RAID availability via background logical drive initialization. Fibre loops' load balancing is provided within the subsystem. The firmware's embedded intelligent algorithms, such as Adaptive Write Policy and Guaranteed Latency I/O, improve sequential write performance and ensure the fast and continuous flow of data. DrvSmart The DrvSmart utility provides an easy way to store data while keeping it safe. One of the main DrvSmart functions, Media Scan, retrieves data from degraded or damaged hard drives and handles low quality drives in both the degraded mode and during the rebuild process. Other DrvSmart features include disk cloning, drive roaming, SMART, transparent resetting of non-responsive hard drives, and RAID parity update tracking and recovery. SysSmart SysSmart combines enclosure monitoring and firmware management capabilities in order to minimize the chance of down time caused by hardware failures. The Auto data protection mechanisms are developed to ensure data safety. Other SysSmart functions include the event-triggered and the various monitoring utilities and monitoring approaches combined with the powerful RAIDWatch manager. Component status, voltage and temperature readings, and system events are instantly revealed through the manager's graphical interface. |
Physical/Electrical |
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Interfaces
- Eight (8) FC ports, each using a short-wavelength adapter
- Two (2) COM ports on each controller module for RS-232C serial port (38400, n, 8, 1) and UPS support
- One (1) 10/100BaseT Ethernet port on the controller module
Power Supply Module Two (2) redundant, hot-swappable power supplies with PFC
| Input |
90VAC at 8A, 264 VAC at 4A with PFC (auto-switching) |
| 47 to 63Hz |
| Output |
(Maximum output: 405 Watts) |
| +12.0V |
24A max. |
| + 5.0V |
36A max. |
| + 3.3V |
20A max. |
| Hold-up Time |
At least 20ms at 115/230VAC full load after a loss of AC input |
Cooling Module Two (2) redundant, dual-fan cooling modules Maximum Air Flow:
High speed: 48.12 CFM
Environmental Specifications
| Temperature |
Operating: 0º to 40ºC
Non-operating: -20º to 60ºC |
| Relative Humidity |
5% to 95% (non condensing - operating and non-operating) |
| Altitude |
Operating: sea level to 12,000 ft
Non-operating: sea level to 20,000 ft |
Dimensions
- Chassis without handles: 445(W) x 174.4(H) x 498(D) mm (17.5 x 6.86 x 19.6 inches)
- Chassis with handles: 482(W) x 174.4 (H) x 514(D) mm (19 x 6.86 x 20.2 inches)
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