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</o:shapelayout></xml><![endif]--></head><body lang=IT link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal>I want to know if someone has experimented problems in building an etherogeneus cluster that consists of <o:p></o:p></p><p class=MsoNormal>- A-nodes with Infiniband Mellanox ConnectX card, OFED 1.5.4 software<o:p></o:p></p><p class=MsoNormal>- B-nodes with Infiniband Intel card, OFED 3.5.2 software<o:p></o:p></p><p class=MsoNormal>- switch Voltaire<o:p></o:p></p><p class=MsoNormal> each node in their own group (A-node or B-node) speaks with the other in their group BUT nodes in the A group don’t speak with nodes in the B group and vice-versa.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can you help me?<o:p></o:p></p><p class=MsoNormal>Thank you in advance,<o:p></o:p></p><p class=MsoNormal>Fedele Stabile <o:p></o:p></p></div></body></html>