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Cluster Computing Applications in restricted space

Current applications of embedded computers are much more sophisticated than those of recent past. industries such as medical imaging, homeland security and military defense of Appeals for editing systems rack that can run a growing number of complex software applications. In many of these industries reliability and timely processing of information can mean the difference between life and death. These industries also need equipment that can squeeze into very limited spaces and in some case satisfy the requirements of low weight. Provide the need to calculate the capacity within the envelope of space and weight is a considerable challenge.

In the field of medical imaging applications vary from simple single-slice X-ray three-dimensional multi-slice image scanner machines. Although these applications have very different requirements of calculation, they share a need for improved image clarity. These conduct a search of more performance-mounting systems in a rack. At the same time, the overall size of the imaging machines are down.

In Homeland Security, analysis cryptography is a key element in understanding what the bad guys are planning. Analysis cryptosystems must deal with an extraordinary amount of incoming data from a wide range of sources. These systems require advanced software that can sort incoming data to allow intelligence professionals to focus on the most important information. To answer these needs, systems rackmount must provide scalable performance in relatively small enclosures.

Surveillance aircraft are a small market segment of the overall military defense, but they illustrate many of the challenges the system designer rack. surveillance aircraft provide location information and near real-time analysis of the situation-a crucial role in today's army, where information is as important as firepower. accomplishment of this task requires an enormous amount of computing horsepower.

Aircraft types may have systems sixty computer on various aspects of the monitoring mission. Computer systems must also be flexible enough to handle Multiple system configurations used in the aircraft. Computers must have a long life and a stable system configuration to meet a long deployment schedules and aircraft refurbishment of users. end military require the use of commercial off the shelf (COTS) technology whenever possible.

In this article we will use surveillance aircraft such as a rack mount design challenges of the system. We will show how designers can meet these challenges in using computers in the cluster, the computers in the single board and in a common chassis. We will describe the features and benefits of a clustered computer that integrates quad-core processors Intel ® Architecture Trenton PCI Express ® single-board computers and multi-segment, passive backplanes.

Chassis & Backplane Design

Weight and space are at a premium on an aircraft surveillance system. additional hardware has an exponential effect on cost of operations device. In addition to increasing fuel costs, the burden of extra equipment creates mission delays due to the need a more frequent refueling. Trenton addressed both space and weight problems by developing a chassis shallow lightweight aluminum.

The most common frame rack used on the aircraft has a depth of 18 "(45.72 cm) and a height of 5U chassis. Each system has a multi-segment PICMG ® 1.3 backplane that allows multiple single board computers (SBC) or commissions system host (SHBs) to function in a single chassis. Other design elements include chassis control individual SBC power sector, access fast disk storage, corrosion resistant metal work, a cooling system and high performance shielded cable sleeves for protection against vibration.

The backplane is often an element often neglected in a system of embedded computing, but it is an element essentially a high-performance embedded design. higher bandwidth interfaces today card card as a PCI Express ® (PCIe) drawings of the application of robust backplane to maintain optimal throughput of the system. For this system, we used the four segments Trenton BP4FS6890 background basket. This multi-segment PICMG 1.3 backplane is available in the class or server configurations graphics class.

The backplane PICMG 1.3 supports one or more SHBs and industry standard COTS option card functions, including communications, video, audio and data storage. This design allows designers to mix and match single-board computer capabilities based on the needs of the application.

System Tips Home

As noted above, up to four SHBs can be used in a single chassis. The SHBs can work together as a cluster of computers, where all councils to work together on the same application. Alternatively, each in SHB can act as a frame to the computer itself. Intel ® Virtualization Technology (Intel ® VT) takes this concept by allowing a single SHB run multiple independent operating systems and applications. The combination of multi-chassis and Intel ® VT SHB saves rack space by allowing a single chassis to run many independent applications.

A chassis with four dual-processor SHBs Trenton can run up to 32 different applications, one for each processor in the heart of the chassis. This means that a computer 5U rack SHBs with dual-processor four, can take the place of sixteen 1U dual motherboard treatment systems. Using a single speaker 5U instead of sixteen cases 1U rack space reduces by 19.25 "(48.90cm)-a nearly 70% savings.

Remember that a aircraft systems can have up to sixty, so it saves space is repeated several times throughout the aircraft. Economies space provided by the solution of Trenton cluster computer also comes with a weight savings of cumulative advantage, because the solution requires less cables, computer cases and power supplies.

So far we have only briefly describes the characteristics of the panels of the system host. In the following sections we look more closely at the technology in both SHBs used in this application, the Trenton TQ9 host system and the Council Trenton MCXT host Council.

Trenton TQ9 Council host system (SHB)

The TQ9 is a single processor, graphics class PICMG 1.3 system host board. Among other responsibilities, TQ9 using the rendering information for the analysis of intelligence specialists. As a class graphics card, the TQ9 supports one x16 and one x4 PCIe electrical link. PCIe x16 link is a common interface board connection card on the top charts range maps. This link is useful for systems that need aircraft video or other high-performance graphics. X4 PCIe link can be used on a backplane with four PCIe x1 links individual, offering designers a degree of extra flexibility.

In this application, is configured TQ9 with an Intel ® Core ™ 2 Quad Q9400 processor. This processor has a quad-core design, a 1333 MHz front side bus and Intel ® Virtualization Technology. Virtualization allows multiple operating systems to run on the TQ9, which allows the user to run multiple applications on the same SHB. The TQ9 is also equipped with the Intel ® Q35 Express, which integrates a 3D graphics accelerator.

Other TQ9 characteristics:

▪ Four DDR2-800 supported up to 8 GB of system memory
▪ Four SATA II 300 Interfaces with RAID support
▪ flight audio and video support
▪ Eight USB 2.0 ports
▪ Support for I / O card expansion, including Optional Module TPM 1.2

Intel parts used in this design are products of long-term supported by the Intel ® Embedded and Group communication. The long-term product support Trenton meets the requirements of stability and longevity of surveillance aircraft applications. Trenton designs in other components of life span to ensure that the completed systems meet and exceed the requirements of the deployment cycle for the plane.

Trenton MCXT host system board (SHB)

The MCXT is a dual-processor server-class PICMG 1.3 board the host system. The SHB supports one x4 and two x8 PCIe links to backplane. The MCXT is used to treat the heaviest loads of data and more complex situation analysis software of the aircraft.

Configurations in terms MCXT use the quad-core Intel ® Xeon ® E5440 chipset and Intel ® 5000P. The two processors on MCXT communicate directly with the chipset along independent 1333 MHz front side bus. The chipset, in turn, has a DDR2 memory four-channel-667 memory interface. As for TQ9 this MCXT Trenton SHB configuration characteristics of devices that support long-term virtualization technology Intel ®.

Other features MCXT:

▪ Four DDR2-667 FB-DIMM supporting up to 16GB of memory system
▪ Six SATA II 300 interfaces with RAID support
▪ The video support on board SXGA
▪ Four USB 2.0
▪ Support for a x4 PCI Express link expansion

Cluster Computer Systems Design - Summary and conclusion

Goals design for surveillance aircraft are difficult, but are certainly not unique. Equipment space constraints also exist in imaging systems Medical analysis of cryptography, telecommunications, industrial automation, and many other applications.

Trenton only board computers and backplanes multi-segment carry the same space and efficiency benefits seen in the surveillance aircraft to a wide variety embedded computing applications. Many applications need to run different applications on a single platform, and computers SBC and backplanes have long made this possible. This advantage basic architecture design is now associated with the Intel ® Virtualization Technology. This combination Powerful gives system designers the opportunity to exploit the advantage of cluster computing in a wide range of industrial applications.

PICMG is a registered trademark of PCI Industrial Computer Manufacturers Group. Intel, Intel Xeon, Intel Core 2 are registered trademarks or trademarks Intel Corporation. All other products or company names are trademarks or registered trademarks of their respective owners.

Further information can be found at Trenton Technology or title = "Trenton Blog"> Blog Trenton.
Written by Jim Renehan Director, Marketing

About the Author

Jim Renehan is Director of Marketing for Trenton Technology. Jim has held various marketing and application engineering positions in the embedded computing, industrial automation, and automatic identification industries. Jim holds a BS in Industrial Technology from Iowa State University of Science and Technology in Ames, Iowa.

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KINGWIN KF-92-BK SATA Black Aluminum Mobile Rack w/ Security Turn Knob $24.99 Specifications: Suitable hard disk type: 1.0" or 1.6" height, and 3.5" H.D.D. Interface: Serial ATA. Fan: 1 x rear ball bearing fan 40 x 40 x 10mm. Color: Black. Security turn knob: Yes. LED display: Yes. Connector: H.D.D. Direct Connection. Frame material: Aluminum. Tray material: Aluminum. Features: For standard 5.25" drive bay. Single fan (1 rear) support. Easy transport and secure valuable data. For standard 1" height, 3.5" H.D.D. Auto push-pull handle design. Compatible w/ KF-91-IT-BK. Dust & wear resistant auto shutter. LED indicate the power & fan failure light. Supports all brands of 3.5" SATA H.D.D. Compatible with all type of PC cases. Direct SATA to SATA bridge connection for fastest performance. Aluminum material and ABS plastic. Support SATA I & SATA II. Security tur...

SIIG SATA Hard Drive Tray $21.99 1 1 x 3.5" - 1/3H Internal 1 x Serial ATA 1 x Serial ATA Internal 1.65" Height x 4.60" Width x 8" Depth 2 Year 3.5" SIIG 3.5" SATA Mobile Rack - Aluminum (SC-SA0612-S1) Internal Removable Storage Module RoHS SATA Hard Drive Tray SC-SA0911-S1 SIIG SIIG, Inc Storage Bay Adapter Yes www.siig.com

USB3.0 IDE SATA HDD Enclosure $36.6 Maximum Transfer Rates Up to 5 Gbps with SuperSpeed USB 3.0Maximum Transfer Rates Up to 480 Mbps with USB 2.0Support IDE SATA HDDFully compatible with 3.5" SATA I / II HDDComplies with the USB 3.0 and USB 2.0Rigid Aluminum Casing Cools Down Your Hard DriveHi-Quality Shielded USB 3.0 Cable Ensures Data Integrity and SpeedBuilt-in super silent cooling fanPower ON/OFF switchLED Indicates Power & HDD ActivityHot-Swappable: Plug & Play Without RebootingExcellent heat conduction by aluminum caseSupports up to 2TB (Terabytes) SATA Hard Disk DriveCompatible with Windows 98//2000/XP/VISTA/Windows 7, Mac OS 8.6 or higherBundled Power Adapter&Cable, USB 3.0 SuperSpeed Cable, Fixing Kit, CDSize: 196*127*50mm

DataStor HP PROLIANT SATA HOT SWAP TRAY $62.99 1 1 Year 1 lb Aluminum Black DataStor Drive Mount Kit HP PROLIANT SATA HOT SWAP TRAY HP Proliant models ML110,150,310 G2, DL320 G3 HPPLSATA OEM Upgrade the newer SATA generation HP Proliants with SATA removable hot swappable trays. 1", low profile SATA hard drives install easily into this tray, providing a cost effective alternative to the factory subsystem. This tray is compatible with those Proliant servers that support SATA hard drives, including the model ML110. www.dstor.com

Element / 3.5in Element EN-3400-BK USB 2.0 Aluminum External IDE/SATA HDD Enclosure (Black) - Supports up to 2 Terabytes! / EN-3400-BK $28.67 Element - 3.5in Element EN-3400-BK USB 2.0 Aluminum External IDE/SATA HDD Enclosure (Black) - Supports up to 2 Terabytes! - EN-3400-BK

Vantec Thermal Technologies / Vantec MRK-401ST-BK EZ Swap 43.5inch Aluminum Removable Trayless SATA Hard Drive Rack With LCD and Fan / MRK-401ST-BK $42.41 Vantec Thermal Technologies - Vantec MRK-401ST-BK EZ Swap 43.5inch Aluminum Removable Trayless SATA Hard Drive Rack With LCD and Fan - MRK-401ST-BK

Element / 3.5in Element EN-3251U3-BK SuperSpeed USB 3.0 Aluminum External SATA HDD Enclosure - Supports up to 2 Terabyte! / EN-3251U3-BK $37.21 Element - 3.5in Element EN-3251U3-BK SuperSpeed USB 3.0 Aluminum External SATA HDD Enclosure - Supports up to 2 Terabyte! - EN-3251U3-BK