On 02/04/11 04:51, Edward Ned Harvey wrote: >> From: [email protected] [mailto:[email protected]] >> On Behalf Of Conrad Wood >> >> I have some trouble with infiniband - and admittedly I am an infiniband >> novice. I get 7GBit/s using TCP (iperf/wget and others). Oddly though >> > Sorry I don't know anything about your question. I've never seen > infiniband. > > I didn't know you could do TCP over IB. Does that mean you can run NFS > and/or all other types of traffic, substitute IB instead of Ethernet? > >
It's actually IP over IB, so you can do any kind of IP-based protocol. It does mean you can run NFS over an IB fabric. You can also use IB's RDMA functionality with NFS, where metadata and control operations still happen over IP but the data channel happens over RDMA. We're also using it to run some of our large-scale backup operations using IPoIB. Before 10GbE came down in price and became better standardized, IB was a pretty cost effective way of backing data up. Without a lot of work or money, we could support streaming to multiple FC4-connected LTO4 and LTO5 drives over a single IB link. -- -- Skylar Thompson ([email protected]) -- http://www.cs.earlham.edu/~skylar/
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