[mvapich-discuss] mpd hostname resolution?

James Dinan dinan at mcs.anl.gov
Tue Feb 22 20:20:49 EST 2011


Hi Kenneth,

MPD is deprecated, unless you have a particular need for it please try
using Hydra:

http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager

Best,
 ~Jim.

On 02/22/2011 06:15 PM, Kenneth Yoshimoto wrote:
> 
>  I am trying to get mpd to join a ring, but it seems
> to be doing name resolution in an odd way.  Like it's
> not checking /etc/hosts:
> 
> [kenneth at trestles-1-14 ~]$ /home/diag/opt/mvapich2/1.5.1p1/pgi/bin/mpd
> --host=trestles.sdsc.edu --port=53726
> trestles-1-14.local_54534: conn error in connect_rhs: No route to host
> trestles-1-14.local_54534 (connect_rhs 979): failed to connect to rhs at
> 198.202.118.30 53726
> trestles-1-14.local_54534 (enter_ring 886): rhs connect failed
> trestles-1-14.local_54534 (run 267): failed to enter ring
> [kenneth at trestles-1-14 ~]$ telnet trestles.sdsc.edu 53726
> Trying 10.1.254.185...
> Connected to trestles.sdsc.edu (10.1.254.185).
> Escape character is '^]'.
> ^]
> telnet> quit
> Connection closed.
> [kenneth at trestles-1-14 ~]$
> 
> Is this a bug in mpd name resolution?  Or am I doing something wrong?
> 
> Thanks,
> Kenneth
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