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Computer - HP ProLiant BL420c Server Blade (728.29 kb)
Computer - HP ProLiant BL420c Server Blade (686.99 kb)
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TOE is included on integrated Multifunction Gigabit Ethernet adapters and optional multifunction mezzanine cards. It is
supported on Microsoft® Windows® Server 2003 when the Scalable Networking Pack is installed. With the delivery of
Windows Server 2008, the TCP/IP Offload Chimney that shipped in the Scalable Networking Pack is included as part of
the latest Windows operating system.
Receive-side Scaling (RSS) - RSS balances incoming short-lived traffic across multiple processors while preserving
ordered packet delivery. Additionally, RSS dynamically adjusts incoming traffic as the system load varies. As a result,
any application with heavy network traffic running on a multi-processor server will benefit. RSS is independent of the
number of connections, so it scales well. This makes RSS particularly valuable to web servers and file servers handling
heavy loads of short-lived traffic.
Windows Server 2008 supports RSS as part of the operating system.
iSCSI Acceleration - Accelerated iSCSI offloads the iSCSI function to the NIC rather than taxing the server CPU.
Accelerated iSCSI is enabled by the HP ProLiant Essentials Accelerated iSCSI Pack that is used with certain embedded
Multifunction NICs in Windows and Linux® environments.
iSCSI boot for Linux - iSCSI boot for Linux is available on ProLiant Gen8 BladeSystem 554M and 554FLB10 Gb
adapters. iSCSI boot allows the host server to boot from a remote OS image located on a SAN within a Red Hat or SUSE
Linux environment. The host server uses an iSCSI firmware image (iSCSI boot option ROM), making the remote disk drive
appear to be a local, bootable “C” drive. Administrators can configure the server to connect to and boot from the iSCSI
target disk on the network. It then downloads the OS image from the iSCSI target disk. The HP iSCSI boot solution also
includes scripts to significantly simplify the installation process. Adding an iSCSI HBA card is not required.
For complete specifications about HP network adapter products, go to www.hp.com/go/ProLiantNICs.
Virtual Connect and Virtual Connect Manager
HP Virtual Connect is hardware abstraction technology that lets you configure and connect physical and virtual servers.
Through its ability to virtualize BladeSystem server connections to external networks, HP Virtual Connect lets you add,
move, and change servers inside BladeSystem domains without affecting access to LAN and SAN within the domain. HP
Virtual Connect and converged networking are key components of HP Converged Infrastructure. Convergence of
networking and storage data traffic over HP FlexFabric converged network adapters and interconnect modules are
supported in all ProLiant server blades.
We initially converged networks using Virtual Connect Flex-10 technology to replace multiple lower bandwidth physical
NIC ports, and now we’re using Virtual Connect FlexFabric to implement LAN/SAN convergence technology. HP Virtual
Connect FlexFabric broadens Flex-10 technology to provide solutions for converging these different network protocols.
You can use Virtual Connect Manager (VCM) to change, move, or redeploy any server within a single Virtual Connect
domain. VCM is embedded firmware on the Virtual Connect Ethernet Module and the FlexFabric Module. VCEM extends
the Virtual Connect architecture to large multi-domain environments. You can use VCEM to change, move, or redeploy
any server within the VC domains that VCEM controls. VCEM is a plug-in for HP Systems Insight Manager (HP SIM) and
benefits from the rich feature set offered by HP SIM. These features include centralized authentication, enclosure
discovery, and security. Again, VCEM is supported in all ProLiant server blades, Virtual Connect Flex-10 adapters,
FlexFabric adapters, and interconnects.
More detailed information about FlexFabric technology is available in the technical white paper titled “HP FlexFabric
Reference Architecture” on the HP technology website: http://h20195.www2.hp.com/v2/GetPDF.aspx/4AA3-
4150ENW.pdf.
More detailed information about Virtual Connect technology is available in the technology brief titled “Overview of HP
Virtual Connect technologies” on the HP technology website:
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00814156/c00814156.pdf.
HP Virtual Connect Flex-10/10D modules and adapters
The introduction of HP Virtual Connect Flex-10/10D modules and adapters enhances the ability for Virtual Connect to
converge networks and reduce I/O sprawl at the server edge. The Flex-10/10D module contains 30 ports with a total
effective full-duplex bandwidth of 600 Gb. It has 10 dedicated SFP+ uplinks, which can be either 1/10GbE, and has 4x
10GbE inter-stacking links (ISL). The effective increase in uplink bandwidth is 67% when compared to Virtual Connect
Flex-10 and doubles the number of stacking links. The Virtual Connect Flex-10/10D converges traffic onto a single fabric
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