SGI Altix XE210 Guia do Utilizador Página 1

SGI® 10-Gigabit Ethernet Adapter IIUser’s Guide007-5476-001

007-5476-001 xiTablesTable 1-1 Two Versions of the SGI 10-Gigabit Ethernet Adapter II . . . . 3Table 1-2 Adapter Features . .

007-5476-001 xiiiAbout This BookThis guide describes the two versions of the SGI 10-Gigabit Ethernet Adapter II, showsyou how to connect the adapter t

xiv 007-5476-001About This BookChapter DescriptionsThis guide contains the following chapters:• Chapter 1, “Features and Capabilities,” summarizes the

About This Book007-5476-001 xv• SGI Altix 450 System User’s GuideProvides an overview of the Altix 450 system components, and it describes how toset u

xvi 007-5476-001About This Book• You can also view man pages by typing man <title> on a command line.For example, to display the man page for th

About This Book007-5476-001 xviiProduct SupportSGI provides a comprehensive product support and maintenance program for itsproducts:• If you are in No

007-5476-001 1Chapter 11. Features and CapabilitiesGigabit Ethernet is technology that allows computer systems to communicate at speedsup to 10 gigabi

COPYRIGHT© 2008, SGI. All rights reserved; provided portions may be copyright in third parties, as indicated elsewhere herein. No permission is grante

2 007-5476-0011: Features and CapabilitiesAdapter FeaturesThe product features/specifications for the adapter are from the product specification forthe

Adapter Features007-5476-001 3There are two versions of the SGI 10-Gigabit Ethernet Adapter II, as described inTable 1-1.Table 1-2 lists the product f

4 007-5476-0011: Features and CapabilitiesCablingThe cabling for the adapter is described in the following sections:• “Fiber-Optic Cables” on page 4•

Cabling007-5476-001 5Table 1-4 lists the SGI 4X InfiniBand fiber-optic cables for the PCIE-10G-C-RDMAversion of the adapter.X-F44-OPT-30M 30 metersX-F44

6 007-5476-0011: Features and CapabilitiesCopper CablesTable 1-5 lists the SGI CX4 copper cables for the PCIE-10G-C-RDMA version of theadapter.Configur

Configuration Limits007-5476-001 7Note: You may see a performance degradation if you configure two adapters to the same12E or 14E blade on Altix 450 or

007-5476-001 9Chapter 22. Connecting the Adapter to a NetworkThis chapter describes installing the SGI 10-Gigabit Ethernet Adapter II and connectingit

10 007-5476-0012: Connecting the Adapter to a NetworkProcedure 21. Remove one or two adjacent DIMMs.2. Remove the chassis-mounted bracket latch of the

Connecting to a Network007-5476-001 11Connecting with a Fiber-Optic CableTo connect your adapter to a network with a fiber-optic cable, do the followin

Canadian Department of Communications StatementThis digital apparatus does not exceed the Class A limits for radio noise emissions from digital appara

12 007-5476-0012: Connecting the Adapter to a NetworkFigure 2-1 Connecting the Fiber-Optic CableConnecting with a Copper CableTo connect your adapter

Connecting to a Network007-5476-001 13Figure 2-2 Connecting the Copper CableCopper connector

14 007-5476-0012: Connecting the Adapter to a Network

007-5476-001 15Chapter 33. Operating the AdapterThis chapter describes several operational tasks as well as troubleshooting.• “Verifying Functionality

16 007-5476-0013: Operating the AdapterUsing LEDs to Determine Adapter FunctionalityThe adapter has a single light-emitting diode (LED) display that i

Resetting the Adapter007-5476-001 17Verifying That the Adapter Is Properly Configured and EnabledUse the installation tool that comes with your operati

18 007-5476-0013: Operating the AdapterChanging the ConfigurationConfiguration changes for Ethernet devices drivers are made by means of theethtool(8) c

007-5476-001 19Chapter 44. Performance TuningThe Network Interface Card (NIC) driver for the SGI 10-Gigabit Ethernet Adapter IIallows performance tuni

20 007-5476-0014: Performance TuningLoad Balancing the Receive Activity Among CPUsThe adapter can be configured to use a maximum of eight receive queue

NIC Acceleration Features007-5476-001 21The following entry dumps the current settings:cxgbtool intf qsetThe following entry updates the holdoff timer

22 007-5476-0014: Performance TuningFurther Tuning with a Sample ScriptChelsio Communications, Inc. provides a sample script, perftune.sh.txt, to use

007-5476-001 23Glossaryacknowledge (Ack) packetThe Ack packet informs the PE that initiated a message that the destination PE acceptedthe message.auto

24 007-5476-001GlossaryMACMedium access control, also called the physical layer.MAC addressThe physical address of the Gigabit Ethernet board, which i

007-5476-001 25IndexCcablingcopper, 6, 12fiber-optic, 4, 5, 11checksum offload, 21configuration changes, 18configuration file /etc/modprobe.conf.local,

26 007-5476-001IndexLC connector, 11LEDstroubleshooting, 16load balancing, receive queues, 20LRO, large receive offload, 21Ooptical cables, 4, 5,

007-5476-001 vRecord of RevisionVersion Description001 May 2008Initial release.

007-5476-001 viiContentsFigures . . . . . . . . . . . . . . . . . . . .

viii 007-5476-001ContentsConnecting to a Network . . . . . . . . . . . . . . . . .

007-5476-001 ixFiguresFigure 1-1 SGI 10-Gigabit Ethernet Adapter II . . . . . . . . . . 2Figure 2-1 Connecting t