Re: [OMPI users] Regarding OpenMPI

2011-06-02 Thread Jeff Squyres
Not directly, but your IB network will not run without a subnet manager having been run at least once. It's been a few years since I've been an IB vendor, but whenever you bring a new IB port online (e.g., if a server reboots) it has to check in with the subnet manager before it will be brought

Re: [OMPI users] Regarding OpenMPI

2011-06-01 Thread Bhargava Ramu Kavati
Hi Jeff, Thank you for your quick response. I have another query, whether OpenMPI depends on Subnet manager/Subnet administration components of OFED ? (I mean, does OpenMPI require any services from Subnet manager/Subnet administration components in OFED without which it cannot run?) Thanks & Rega

Re: [OMPI users] Regarding OpenMPI

2011-06-01 Thread Jeff Squyres
On Jun 1, 2011, at 8:49 AM, Bhargava Ramu Kavati wrote: > I am trying to run MPI applications using OpenMPI in OFED Cluster (over IB). > I am trying to find whether OpenMPI supports a transport interface which is > based on libibverbs layer in OFED (I mean, which does not use connection > mana

[OMPI users] Regarding OpenMPI

2011-06-01 Thread Bhargava Ramu Kavati
Hi, I am trying to run MPI applications using OpenMPI in OFED Cluster (over IB). I am trying to find whether OpenMPI supports a transport interface which is based on libibverbs layer in OFED (I mean, which does not use connection manager in OFED) ? Thanks you in advance. Thanks & Regards, Ramu