Re: [OMPI users] MX questions

2009-06-28 Thread Scott Atchley
On Jun 28, 2009, at 7:14 AM, Dave Love wrote: Scott Atchley writes: George's answer supersedes mine. You must be using the MX bonding driver to use more than one NIC per host. Will that be relevant for Open-MX, which I'm using rather than normal MX? (I'm afraid I don't know anything about

Re: [OMPI users] MX questions

2009-06-28 Thread Dave Love
Scott Atchley writes: > George's answer supersedes mine. You must be using the MX bonding > driver to use more than one NIC per host. Will that be relevant for Open-MX, which I'm using rather than normal MX? (I'm afraid I don't know anything about how MX systems work generally.) For what it's

Re: [OMPI users] MX questions

2009-06-26 Thread Scott Atchley
On Jun 26, 2009, at 9:45 AM, Dave Love wrote: Scott Atchley writes: I believe the answer is yes as long as all NICs are in the same fabric (they usually are). Thanks. Do you mean it won't if, in this case, the two NICs are on separate switches? Dave, George's answer supersedes mine. Y

Re: [OMPI users] MX questions

2009-06-26 Thread Dave Love
George Bosilca writes: > It is not the BTL who open the second endpoint, it is the MTL. It's a > very long story, but unfortunately right now the two components (MTL > and BTL) each open an endpoint. Once the upper level complete the > selection of the component for the run, one of the endpoints

Re: [OMPI users] MX questions

2009-06-26 Thread Dave Love
Scott Atchley writes: > I believe the answer is yes as long as all NICs are in the same fabric > (they usually are). Thanks. Do you mean it won't if, in this case, the two NICs are on separate switches?

Re: [OMPI users] MX questions

2009-06-25 Thread George Bosilca
On Jun 25, 2009, at 13:17 , Scott Atchley wrote: On Jun 25, 2009, at 1:02 PM, Dave Love wrote: Also, Brice Goglin, the Open-MX author had a couple of questions concerning multi-rail MX while I'm on: 1. Does the MX MTL work with multi-rail? I believe the answer is yes as long as all NICs ar

Re: [OMPI users] MX questions

2009-06-25 Thread Scott Atchley
On Jun 25, 2009, at 1:02 PM, Dave Love wrote: Also, Brice Goglin, the Open-MX author had a couple of questions concerning multi-rail MX while I'm on: 1. Does the MX MTL work with multi-rail? I believe the answer is yes as long as all NICs are in the same fabric (they usually are). 2. "Yo