[Beowulf] connect Mellanox IB FDR adapter to QLogic IB QDR switch?
samuel at unimelb.edu.au
Thu Jun 6 17:12:14 PDT 2013
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On 06/06/13 18:52, Marko Kobal wrote:
> I've got a couple of Mellanox IB FDR adapters (MT27500 Family
> [ConnectX-3]) and I wonder if they would play nicely with existing
> IB network.
I would expect them to work as I believe it's all meant to be
backwardly compatible and the FDR HCA's should downgrade to QDR to
talk to the switch. It's not something I've tried though.
I'm not quite as sure what would happen if you were to go the other
way and plug a QDR adapter into an FDR switch with all FDR HCAs.
Christopher Samuel Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
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