Re: [OMPI users] How does authentication between nodes work without password? (Newbie alert on)

Hi Tena Thank you for taking the time to explain the details of the EC2 procedure. I am afraid everything in my bag of tricks was used. As Ralph and Jeff suggested, this seems to be a very specific problem with EC2. The difference in behavior when you run as root vs. when you run as Tena, tells

Re: [OMPI users] Unknown overhead in "mpirun -am ft-enable-cr"

Hi Josh, I tried the MCA parameter you mentioned but it did not help, the unknown overhead still exists. Here I attach the output of 'ompi_info', both version 1.5 and 1.5.1. Hope you can find out the problem. Thank you. Regards, Nguyen Toan On Wed, Feb 9, 2011 at 11:08 PM, Joshua Hursey wrote:

[OMPI users] (no subject)

hi every one i need your help i have a dual core machine with os linux opensuse 10.3 64bits i configure openmpi with ifort and icc (icpc) i compiled a wien2k code but when i run the parralel version of it i gut the follow error message /home/wien/lapw1_mpi: symbol lookup error: /usr/local/lib/libo

Re: [OMPI users] How does authentication between nodes work without password? (Newbie alert on)

Hi Gus, Thank you for your reply, comments, and suggestions. EC2 does have support, but it is with extra charge and I am discouraged to use it for budgetary reasons. Also, I have heard that their support is a bit toward virtualization and amazon environment specific. I may have to override all

Re: [OMPI users] How does authentication between nodes work without password? (Newbie alert on)

On 12 Feb 2011, at 14:06, Ralph Castain wrote: > Have you searched the email archive and/or web for openmpi and Amazon cloud? > Others have previously worked through many of these problems for that > environment - might be worth a look to see if someone already solved this, or > at least a cont

Re: [OMPI users] How does authentication between nodes work without password? (Newbie alert on)

Thank you, Ashley, for your comments. I do have a question. I was using 'sudo su' to document the problem I am running into for people who read this mailing list, as well as for my own record. Why would you say I shouldn't be doing so? Regards, Tena On 2/13/11 1:29 PM, "Ashley Pittman" wrote

Re: [OMPI users] How does authentication between nodes work without password? (Newbie alert on)

Hi Gus, I have digressed and started downward descent... I was trying to make a simple and clear case. Everything I write in this very mail is about local machines. There is no virtual machines involved. I am talking about two machines, vixen and dasher, which share the same file structure. V