On Apr 1, 2010, at 10:52 PM, longbow leo wrote:

> Thanks a lot for your reply.
> 
> Now the mpiblast run in only one node both inside and outside a torque job. 

If you're inside a torque job and still seeing everything running on a single 
host, then something isn't quite right.  Try running a simple diagnostic in a 
torque job:

mpirun hostname

Where "hostname" is just the normal Linux "hostname" command.  It should show 
you all the hosts that it was launched on.

> How could I setup a hostlist for open mpi? I haven't found this in the open 
> mpi faq. Thanks.

It's in there somewhere.  Just put one host per line in a file, like this:

$ cat myhostfile
host1
host2
host3
host4
$ mpirun --hostfile myhostfile ...

-- 
Jeff Squyres
jsquy...@cisco.com
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/


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