On Mar 30, 2015, at 6:12 AM, LOTFIFAR F. <foad.lotfi...@durham.ac.uk> wrote: > > Thank you very much guys. The problem has just been resolved.
Great! > The problem was in the security groups rules when one create VMs. Openstack > pushes the security groups into iptables rules and it is not necessary to do > anything with iptables or firewalls inside VMs. The processes were freezing > and I could not get any further debug information. Actually when I left the > processes for few hours, I could finally get the error for tcp connection. I > think I could fine tune openmpi to reduce this time? FWIW, this is probably related to the default TCP timeout times set in your kernel. -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
