HP 4104gl ISS Technology Update, Volume 8, Number 3
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- HP 4104gl | ISS Technology Update, Volume 8, Number 3 - Page 1
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 - HP 4104gl | ISS Technology Update, Volume 8, Number 3 - Page 2
required to process, route, and buffer both quality of service (QoS 10GbE more cost effective and easier to manage. It is easier to aggregate multiple 1Gb data flows and fully utilize 10Gb modules may not be needed. See http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01608922/c01608922.pdf - HP 4104gl | ISS Technology Update, Volume 8, Number 3 - Page 3
of PDUs. The AC Input Module of a 3-phase c7000 enclosure hooks directly to 3-phase power. • Simpler wiring. Enclosures that use 3-phase power require only two cords connecting to the enclosure to support six modular power supplies rather than six cords coming from a PDU. Distributing 3-phase - HP 4104gl | ISS Technology Update, Volume 8, Number 3 - Page 4
ISS Technology Update Figure 2-1. Physically mapping 3-phase power to c7000 AC input module. Volume 8, Number 3 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 singlephase power supplies. - HP 4104gl | ISS Technology Update, Volume 8, Number 3 - Page 5
ISS Technology Update Figure 2-2. Electrical diagrams of 3-phase power to a c7000 AC input module Volume 8, Number 3 Additional resources For additional information on the topics discussed in this article, visit this website: Resource HP BladeSystem c7000 Enclosure URL http://h18004.www1.hp.com/ - HP 4104gl | ISS Technology Update, Volume 8, Number 3 - Page 6
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 a management layer that enables consolidation and an infrastructure that can dynamically provision power and - HP 4104gl | ISS Technology Update, Volume 8, Number 3 - Page 7
with performance through HP iLO (Onboard Administrator) is phenomenal. Power and thermal controls embedded into Onboard Administrator reduce server power consumption by regulating processor speed and the operation of other server components, such as fans, power supplies, and unpopulated I/O and - HP 4104gl | ISS Technology Update, Volume 8, Number 3 - Page 8
server technology papers Title URL Using InfiniBand for a Scalable Compute Infrastructure http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00593 119/c00593119.pdf Power Capping and Dynamic Power Capping for ProLiant Servers Memory technology evolution: an overview of system memory
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HP Flex-10 and SR-IOV—What is the difference?
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Three-phase power distribution in c7000 enclosures
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PUE and DCE—Useful metrics for overall data center efficiency
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Meet the Expert—Wayne Vuong
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Recently published industry standard server technology papers
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Contact us
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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
ISS Technology Update
Volume 8, Number 3
Keeping you informed of the latest ISS technology