[mvapich-discuss] Using RDMA CM with MVAPICH2

[Dhabaleswar Panda]

RDMA CM is designed by OpenFabrics. MVAPICH2 uses this. If you post your
questions to OpenFabrics General mailing list, the designers of RDMA CM
component will be able to provide detailed answers regarding how it works.

DK


On Mon, 5 May 2008, Keshetti Mahesh wrote:

> Hi all,
>
> I want to use the RDMA CM option of MVAPICH2. The procedure described
> in the user guide is not much informative. Can anyone here give me the detailed
> procedure for using the RDMA CM option. Also, I'll be glad if some one can give
> me a document describing how it works in detail.
> Actually I have some doubts like, how the IP addresses (???) are
> resolved into IB
> addresses and what happens in the case of nodes two HCAs (or 1 HCA
> with two ports) ?
>
> In the MVAPICH2 user guide it is mentioned that "RDMA CM device needs
> to be setup,
> configured with an IP address and connected to the network". Is this
> same as configuring
> IPoIB device ?
>
> -Mahesh
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