The limit of IPoIB is active/backup when using traditional bonding, however I believe you are wanting to multirail your IB. This is achieved buy using multiple LNet's (assuming it uses the same fabric), you should be able to configure for active/active.
https://wiki.whamcloud.com/display/LNet/Multi-Rail+Overview This should help with most of the concepts. -- Lauz On 16 January 2022 11:56:16 GMT, "E.S. Rosenberg" <[email protected]> wrote: >Hey everyone, > >This is probably off-topic but I can't find any documents on the subject >and since Lustre uses IPoIB I suspect others here have dealt with this >question. > >If I have a node connected with multiple IB links should each connected IB >port have it's own IP address or is there a way similar to LACP on the >Ethernet side to bond all the links and use only a single IP address to >refer to the node? And what is the better method? > >In the past I never had this luxury, but now I'm starting a small new >cluster currently made up of a few GPU nodes and a Lustre filesystem so >plenty of IB ports to go around. > >Thanks! >Eli
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