Re: [Condor-users] Not managing to get the paralleluniverse example from manual section "2.11.2 Parallel JobSubmission" to run

["Kewley, J \(John\)" <j.kewley@xxxxxxxx>]

> Hi,
> I noticed that the mpi universe works fine. Well sort of. It 
> does work 
> as long as I turn off iptables. If it is on, I get error messages in 
> the outputfiles :
> 
> outfile.0
> 	p0_1136:  p4_error: Timeout in making connection to 
> remote process on 
> pirineu.cap.ed.ac.uk: 0
> 	p0_1136: (302.006268) net_send: could not write to 
> fd=4, errno = 32
> 
> outfile.1
> 	rm_4994:  p4_error: rm_start: net_conn_to_listener failed: 33192
> 
> So I don't know if there is a way to restrict the range of 
> ports that I 
> assume MPI uses.

This sounds like you iptables settings haven't been updated with
the condor fixed and ephemeral ports for your system.
Have a look at
http://www.allhands.org.uk/2005/proceedings/papers/431.pdf
for a few pointers on what needs opening.

Cheers

JK