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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The InfiniBand subnet manager is not needed for iWarp, so this is not related to<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>your problem of doing an RDMA over the WAN.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> ewg-bounces@lists.openfabrics.org [mailto:ewg-bounces@lists.openfabrics.org] <b>On Behalf Of </b>Tanin<br><b>Sent:</b> Wednesday, March 02, 2011 1:49 PM<br><b>To:</b> OpenFabrics EWG<br><b>Subject:</b> Re: [ewg] iWARP WAN test problem<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>And the subnet manager fails to start.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>[root@tera litan]# /etc/init.d/opensmd start<br>Starting IB Subnet Manager...... [FAILED]<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><br><br> <o:p></o:p></p></div><div><p class=MsoNormal>On Wed, Mar 2, 2011 at 4:41 PM, Tanin <<a href="mailto:fanqielee@gmail.com">fanqielee@gmail.com</a>> wrote:<o:p></o:p></p><div><p class=MsoNormal>Dear all,<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>I am trying to test RDMA operations over WAN(from Michigan to NY) on iWARP card. After install OFED-1.5.2 on both sides, I ran "rping", and it reported following problem::<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Server side :<o:p></o:p></p></div><div><p class=MsoNormal>[root@tera ~]# rping -s<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><strong>Client side:</strong><o:p></o:p></p></div><div><p class=MsoNormal>[root@netqos tan]# rping -c -v -a 192.84.86.XX<br>cma event RDMA_CM_EVENT_ADDR_ERROR, error -2<br>waiting for addr/route resolution state 1<o:p></o:p></p></div><div><p class=MsoNormal>Following is the server info:<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Server side:<o:p></o:p></p></div><div><p class=MsoNormal>ip: 192.84.86.XX<o:p></o:p></p></div><div><p class=MsoNormal>iWARP card:Ethernet controller: NetEffect NE020 10Gb Accelerated Ethernet Adapter (iWARP RNIC) (rev 05) <o:p></o:p></p></div><div><p class=MsoNormal>kernel: 2.6.18-194.3.1.el5 with Scientific Linux 5.5<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Client side:<o:p></o:p></p></div><div><p class=MsoNormal>ip: 198.124.220.XX<o:p></o:p></p></div><div><p class=MsoNormal>iWARP card: Ethernet controller: NetEffect NE020 10Gb Accelerated Ethernet Adapter (iWARP RNIC) (rev 05)<o:p></o:p></p></div><div><p class=MsoNormal>kernel 2.6.18-164.11.1.el5_lustre.1.8.3 with RHEL 5<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>All socket based communication can be done successfully. And all RDMA operations can be done successfully locally. But all RDMA operations are failed between two remote sides. All help will be really appreciated.<o:p></o:p></p></div><div><p class=MsoNormal><br clear=all><br>-- <o:p></o:p></p></div><div><p class=MsoNormal>Best regards,<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>-----------------------------------------------------------------------------------------------<br>Li, Tan<br>PhD Candidate & Research Assistant, <br>Electrical Engineering, <br>Stony Brook University, NY<br><br>Personal Web Site: <a href="https://sites.google.com/site/homepagelitan/Home" target="_blank">https://sites.google.com/site/homepagelitan/Home</a><br><br>Email: <a href="mailto:fanqielee@gmail.com" target="_blank">fanqielee@gmail.com</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><br><br clear=all><br>-- <o:p></o:p></p><div><p class=MsoNormal>Best regards,<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>-----------------------------------------------------------------------------------------------<br>Li, Tan<br>PhD Candidate & Research Assistant, <br>Electrical Engineering, <br>Stony Brook University, NY<br><br>Personal Web Site: <a href="https://sites.google.com/site/homepagelitan/Home" target="_blank">https://sites.google.com/site/homepagelitan/Home</a><br><br>Email: <a href="mailto:fanqielee@gmail.com" target="_blank">fanqielee@gmail.com</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>