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20Gbps Infiniband Backbone Network (PTP)

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Posted · Original PosterOP

Hello people of LinusTechTips forums.. I have a project i am working on currently and would like assistance with one 'small' thing.


My objective is to have a 20Gb/sec link between each of my servers and my pc. I have just purchased an apple xserve and have an old pc to turn into an archive server. What i would like to know is if anyone has experience setting up infiniband on mac os, and if i should change to ubuntu server or whatever. I have little experience with enterprise networking but feel confident about setting my servers up and running them.

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Followed this cause I'm interested in infiniband as well but know nothing about its good and bad :D

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Have some experience with Infiniband but I am yet to see any Mac OSX drivers for Infiniband cards.  They are mostly for 'enterprise' operating systems and rarely cover workstation OS for full feature support.

Depending on what you are doing for the project regarding software stack etc, iWarp/RDMA is an alternative to Infiniband which may offer you some other options for hardware acceleration.

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I'd be more concerned with the systems you're connecting together being able to utilize a 20gb pipe (a bit less if you're adding ip traffic to it).

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I stay away from infiniband entirely, getting IP over infiniband is spotty. And as above, drivers are usually a pain or don't exist at all.

Comb it with a brick

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