[MPICH] Failed to ping mpd on client

Rajeev Thakur thakur at mcs.anl.gov
Fri Jun 1 09:39:09 CDT 2007

Probably something is not right on the networking setup on the two machines.
To debug the problem, you can use the mpdcheck utility as described in the
installation guide.


From: owner-mpich-discuss at mcs.anl.gov
[mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Cavey, Lester
Sent: Friday, June 01, 2007 8:39 AM
To: mpich-discuss at mcs.anl.gov
Subject: [MPICH] Failed to ping mpd on client

I can run mpd on machine1 alone, and on machine2 alone, but I get an error
when I have mpd running on machine2 and I enter the command 'mpdboot -n 2 -f
/etc/mpd.hosts' on machine1.  The error message is 'Failed to ping mpd on
machine2.'.  I can ping machine1 from machine2, and I can ping machine2 from
machine1.  I have the machines listed in /etc/hosts (which also lists their
IP addresses and aliases) and in /etc/mpd.hosts .  I am using Red Hat
Enterprise 5 on each of the i386 machines.  Any ideas on what is causing the
Lester Cavey
Test Engineer
ATK Mission Systems
8560 Cinderbed Road, 700
Newington, VA 22122
703-339-6500, x189
Lester.Cavey at atk.com
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