Compaq BL10e - HP ProLiant - 512 MB RAM Update Manual
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Compaq BL10e - HP ProLiant - 512 MB RAM Update Manual

Compaq BL10e - HP ProLiant - 512 MB RAM Update Manual

Iss technology update, volume 8, number 3
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ISS Technology Update
Volume 8, Number 3
Keeping you informed of the latest ISS technology
HP Flex-10 and SR-IOV-What is the difference? ....................................................................................... 1
Three-phase power distribution in c7000 enclosures ................................................................................. 3
PUE and DCE-Useful metrics for overall data center efficiency .................................................................. 6
Meet the Expert-Wayne Vuong ................................................................................................................ 7
Recently published industry standard server technology papers ............................................................... 8
Contact us .................................................................................................................................................. 8
HP Flex-10 and SR-IOV-What is the difference?
Improving I/O performance
As virtual machine software enables higher efficiencies in CPU use, these same efficiency enablers place more overhead on
physical assets. HP Flex-10 Technology and Single Root I/O Virtualization (SR-IOV) both share the goal of improving I/O
efficiency without increasing the overhead burden on CPUs and network hardware. Flex-10 and SR-IOV technologies
accomplish this goal through different approaches. This article explores the differences in architecture and implementation
between Flex-10 and SR-IOV.
How these two technologies differ and why it matters
HP Flex-10 Technology
Flex-10 technology is a hardware-based solution that enables users to partition a 10 gigabit Ethernet (10GbE) connection and
regulate the bandwidth of each partition. HP Flex-10 is available only with Virtual Connect (VC), and is currently available for
implementation only with supported HP BladeSystem servers.
Flex-10 can be deployed now with HP BladeSystem servers, and with relatively little modification to existing I/O architecture.
Adding Flex-10-capable network devices and virtual connect modules to existing HP BladeSystem infrastructure allows
administrators to take advantage of the considerable I/O control and refinement delivered by Flex-10 technology.
Using Flex-10 technology, administrators can configure a single BladeSystem 10Gb network port to represent four physical
network interface controllers (NICs), also called FlexNICs, with a total bandwidth of 10Gbps. These four FlexNICs appear to
the operating system (OS) as discrete NICs, each with its own driver. While the FlexNICs share the same physical port, traffic
flow for each one is isolated with its own MAC address and virtual local area network (VLAN) tags between the FlexNIC and

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Summary of Contents for Compaq BL10e - HP ProLiant - 512 MB RAM

  • Page 1 ISS Technology Update Volume 8, Number 3 Keeping you informed of the latest ISS technology HP Flex-10 and SR-IOV—What is the difference? ..................1 Three-phase power distribution in c7000 enclosures ................. 3 PUE and DCE—Useful metrics for overall data center efficiency ..............6 Meet the Expert—Wayne Vuong ........................
  • Page 2 ISS Technology Update Volume 8, Number 3 VC Flex-10 interconnect module. Using the VC interface, an administrator can set and control the transmit bandwidth available to each FlexNIC. Each dual-port Flex-10 device supports up to eight FlexNICs, four on each physical port, and each Flex-10 Interconnect Module can support up to 64 FlexNICs.

  • Page 3: For More Information

    ISS Technology Update Volume 8, Number 3 For more information For additional information, refer to the resources listed below. Resource description Web address http://www.pcisig.com/developers/main/training_materials/get_document I/O Virtualization and Sharing ?doc_id=0cd682cb65b452d00e2047287b48369fc0d9bfa6 http://h18004.www1.hp.com/products/blades/virtualconnect/index.html HP Virtual Connect Technology http://h20000.www2.hp.com/bc/docs/support/SupportManual/c016089 HP Flex-10 Technology 22/c01608922.pdf http://h18004.www1.hp.com/products/blades/components/ethernet/10- Flex-10 VC Ethernet Module 10gb-f/index.html http://h18004.www1.hp.com/products/servers/networking/nc532m/inde...
  • Page 4 ISS Technology Update Volume 8, Number 3 Figure 2-1. Physically mapping 3-phase power to c7000 AC input module. Calculating 3-phase input power Figure 2-2 shows how the power is electrically mapped for both North America and International 3-phase power into the single- phase power supplies.

  • Page 5: Additional Resources

    ISS Technology Update Volume 8, Number 3 Figure 2-2. Electrical diagrams of 3-phase power to a c7000 AC input module Additional resources For additional information on the topics discussed in this article, visit this website: Resource HP BladeSystem c7000 Enclosure http://h18004.www1.hp.com/products/blades/components/enclosures/c-class/c7000/...
  • Page 6 ISS Technology Update Volume 8, Number 3 PUE and DCE—Useful metrics for overall data center efficiency IT and facilities engineers can use two metrics to evaluate data center energy efficiency: Power Use Efficiency (PUE) and Data Center Efficiency (DCE). PUE and DCE are not intended to measure the efficiency of specific power and cooling systems within data center infrastructures.
  • Page 7 ISS Technology Update Volume 8, Number 3 Meet the Expert—Wayne Vuong Wayne Vuong has been an Engineering Program Manager with Industry Standard Servers (ISS) for the last three years of his 12-year career at HP. Wayne has distinguished himself because of his hard work and passion for getting customer input to engineering teams so they can incorporate it into their design decisions.
  • Page 8 Recently published industry standard server technology papers Title http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00593 Using InfiniBand for a Scalable Compute Infrastructure 119/c00593119.pdf Power Capping and Dynamic Power Capping for ProLiant http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01549 Servers 455/c01549455.pdf?jumpid=reg_R1002_USEN Memory technology evolution: an overview of system http://h20000.www2.hp.com/bc/docs/support/SupportManual/c0 memory technologies 0256987/c00256987.pdf The Intel® processor roadmap for industry-standard http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00164 servers, 9th Edition 255/c00164255.pdf...

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