IBM Network Card CONNECTX 2 User Manual

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Mellanox ConnectX-2 Dual Port 10 GbE Adapter for  
IBM System x  
IBM System x at-a-glance guide  
The Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x delivers high-bandwidth and  
industry leading low latency 10 GbE connectivity. With industry-leading performance, power-efficiency,  
integration and feature set, ConnectX-2 EN with RDMAoE (RDMA over Ethernet) adapters provide an  
optimized, low-latency solution for high-transaction databases, financial services, cloud computing, and  
virtualized server and storage data center environments. The ConnectX-2 Dual-Port 10 GbE Adapter  
improves network performance by increasing available bandwidth to the CPU and providing enhanced  
performance especially in virtualized server environments.  
The adapter is shown in Figure 1.  
Figure 1. Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x  
Did you know?  
The Mellanox ConnectX-2 Dual Port 10GbE Adapter for IBM System x is a a high-performance, dual-port  
network adapter for 10Gb/s Ethernet (10GbE) networks with performance requirements for low latency. It  
provides an ideal solution for all servers needing high- performance, low-latency data transfer in LAN  
connectivity for mission-critical applications. This network adapter provides support for 10GbE networking  
with optical or copper connectivity.  
Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x  
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In data mining or web crawl applications, RDMAoE provides the needed boost in performance to search  
faster by solving the network latency bottleneck associated with I/O cards and the corresponding  
transport technology in the cloud. Various other applications that benefit from RDMAoE with ConnectX-2  
EN include Web 2.0 (Content Delivery Network), Business intelligence, data base transactions and  
various Cloud computing applications.  
Mellanox ConnectX-2 EN low power consumption, less than 3.5W per port, provides customers high  
bandwidth and low latency at the lowest cost of ownership.  
I/O virtualization  
ConnectX-2 EN with Virtual Intelligent Queuing (Virtual-IQ) technology provides dedicated adapter  
resources and guaranteed isolation and protection for virtual machines within the server. The adapter  
gives data center managers better server utilization and LAN and SAN unification while reducing cost,  
power, and cable complexity.  
Quality of Service  
Resource allocation per application or per virtual machine is provided by the advanced QoS supported by  
ConnectX-2 EN. Service levels for multiple traffic types can be based on IETF DiffServ or IEEE 802.1p/Q,  
allowing system administrators to prioritize traffic by application, virtual machine, or protocol.  
Specifications  
The adapter has the following specifications:  
Low-profile adapter form factor  
Ports: Two 10 Gigabit Ethernet ports with SFP+ connectors  
ASIC: Mellanox ConnectX-2 EN  
Cabling types: Direct Attached Copper, SR and LR Fiber Optic  
Host interface: PCI Express 2.0 x8 (5.0 GT/s)  
Features: Stateless Offload, Priority Flow Control, FCoE Ready  
Power consumption: 6.4 W (typical)  
Ethernet support and standards:  
IEEE Std 802.3ae 10 Gigabit Ethernet  
IEEE Std 802.3ad Link Aggregation and Failover  
IEEE Std 802.3x Pause  
IEEE 802.1Q, .1p VLAN tags and priority  
IEEE P802.1au D2.0 Congestion Notification  
IEEE P802.1az D0.2 Enhanced Transmission Selection  
IEEE P802.1bb D1.0 Priority-based Flow Control  
Multicast  
Jumbo frame support (10KB)  
128 MAC/VLAN addresses per port  
TCP/UDP/IP stateless offload:  
TCP/UDP/IP checksum offload  
TCP Large Send Offload (< 64KB) or Giant Send Offload (64KB-16MB) for segmentation  
Receive Side Scaling (RSS) up to 32 queues  
Line rate packet filtering  
Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x  
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Additional CPU offloads:  
RDMA over Ethernet support  
Traffic steering across multiple cores  
Intelligent interrupt coalescence  
Compliant to Microsoft RSS and NetDMA  
Hardware-based I/O virtualization:  
Address translation and protection  
Dedicated adapter resources and guaranteed isolation  
Multiple queues per virtual machine  
Hardware switching between guest OSs  
Enhanced QoS for vNICs  
VMware NetQueue support  
Physical specifications  
The adapter has the following physical specifications (without the bracket):  
Length: 142 mm  
Height: 69 mm  
Depth: 18 mm  
Maximum weight: 0.25 kg (0.5 lb)  
Operating environment  
The adapter is supported in the following environment:  
Operating temperature: 0 to 55° C  
Air flow: 200 LFM at 55° C  
Warranty  
One year limited warranty. When installed in a System x server, these cards assume your system’s base  
warranty and any IBM ServicePac® upgrade.  
Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x  
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Supported servers  
The adapter is supported in the IBM System x servers listed in Table 3.  
Table 3. Supported System x servers (Part 1)  
Adapter  
Mellanox ConnectX-2 Dual Port 10 GbE  
Adapter  
N
N
N
N
N
N
N
N
Y
N
N
N
Y
N
N
Table 3. Supported System x servers (Part 2)  
Adapter  
Mellanox ConnectX-2 Dual Port 10 GbE  
Adapter  
Y
Y
Y
N
N
N
Y
N
Y
N
Y
N
N
Y
Y
Supported operating systems  
The adapter as part of the System x portfolio supports the following operating systems:  
SUSE LINUX Enterprise Server 10 for x86  
SUSE LINUX Enterprise Server 10 for AMD64/EM64T  
SUSE LINUX Enterprise Server 11 for x86  
SUSE LINUX Enterprise Server 11 for AMD64/EM64T  
Red Hat Enterprise Linux 5 Server Edition  
Red Hat Enterprise Linux 5 Server x64 Edition  
Red Hat Enterprise Linux 6 Server Edition  
Red Hat Enterprise Linux 6 Server x64 Edition  
See IBM ServerProven for the latest information about the specific versions and service packs supported:  
http://ibm.com/servers/eserver/serverproven/compat/us/. Click System x servers, and then click LAN to  
see the support matrix. Click the check mark that is associated with the System x server in question to  
see the details of operating system support.  
Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x  
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Related publications  
For more information refer to these documents:  
Mellanox ConnectX-2 Dual Port 10 GbE Adapter Installation and User's Guide  
Linux device drivers (select the Download tab, then choose the link for the supported operating  
system):  
Publications for the IBM Intelligent Cluster portfolio:  
Mellanox ConnectX-2 EN Dual-port SFP+ 10GbE PCI-E 2.0 Adapter product page:  
IBM System x Configuration and Options Guide  
http://www.ibm.com/support/docview.wss?uid=psg1SCOD-3ZVQ5W  
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Notices  
This information was developed for products and services offered in the U.S.A.  
IBM may not offer the products, services, or features discussed in this document in other countries. Consult your local  
IBM representative for information on the products and services currently available in your area. Any reference to an  
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be used. Any functionally equivalent product, program, or service that does not infringe any IBM intellectual property  
right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any non-IBM  
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PUBLICATION "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT  
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described in this publication at any time without notice.  
Any references in this information to non-IBM Web sites are provided for convenience only and do not in any manner  
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products was obtained from the suppliers of those products, their published announcements or other publicly  
available sources. IBM has not tested those products and cannot confirm the accuracy of performance, compatibility  
or any other claims related to non-IBM products. Questions on the capabilities of non-IBM products should be  
addressed to the suppliers of those products. This information contains examples of data and reports used in daily  
business operations. To illustrate them as completely as possible, the examples include the names of individuals,  
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Any performance data contained herein was determined in a controlled environment. Therefore, the results obtained  
in other operating environments may vary significantly. Some measurements may have been made on  
development-level systems and there is no guarantee that these measurements will be the same on generally  
available systems. Furthermore, some measurement may have been estimated through extrapolation. Actual results  
may vary. Users of this document should verify the applicable data for their specific environment.  
COPYRIGHT LICENSE:  
This information contains sample application programs in source language, which illustrate programming techniques  
on various operating platforms. You may copy, modify, and distribute these sample programs in any form without  
payment to IBM, for the purposes of developing, using, marketing or distributing application programs conforming to  
the application programming interface for the operating platform for which the sample programs are written. These  
examples have not been thoroughly tested under all conditions. IBM, therefore, cannot guarantee or imply reliability,  
serviceability, or function of these programs.  
© Copyright International Business Machines Corporation 2010. All rights reserved.  
Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by  
GSA ADP Schedule Contract with IBM Corp.  
Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x  
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This document was created or updated on June 28, 2011.  
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The following terms are trademarks of the International Business Machines Corporation in the United  
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1350™  
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System x®  
The following terms are trademarks of other companies:  
Microsoft, and the Windows logo are trademarks of Microsoft Corporation in the United States, other  
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Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x  
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