Problem in mpdboot for multi-processing

Satish Balay balay at mcs.anl.gov
Wed Aug 23 12:40:11 CDT 2006


This query is best sent to mpich2-maint at mcs.anl.gov

Satish

On Wed, 23 Aug 2006, Changyeol Lee wrote:

> Hi, everyone!
> 
> I assembled a 4-node cluster consisting of 4 Intel processors.  I used Fedora
> Core 4, PETSc 2.3.1  and MPICH2-1.0.3. 
> 
> There is no problem in installation of PETSc and MPICH2. I also made authorized
> keys of SSH for connection between nodes without asking password. I confirmed
> that SSH show no asking of password between nodes. 
> 
> Also, mpdboot for itself is possible like below
> 
> $ mpdboot -n 1 -f mpd.hosts
> $
> 
> However, mpdboot for multi-processors is not possible by showing the error below.
> Hostname of node1 is node1.cluster.net and hostname of node2 is node2.cluster.net.
> 
> $ mpdboot -n 2 -f mpd.hosts
> mpdboot_node1.cluster.net (handle_mpd_output 368): failed to connect to mpd on
> node2.cluster.net
> $
> 
> I believe that the things such as /etc/hosts do not have problems. 
> 
> Although it seems a problem of MPICH2, I would like to hear something if you
> have similar experience like me.  Let me know if you have any idea.
> 
> Thank you so much!
> 
> Changyeol
> 
> ------------------------------------------------------
> Have a gneiss day!
> 
> Changyeol Lee
> Graduate student (Geophysics)
> Earth and Atmospheric Sciences
> Purdue University
> cell: 765)418-8498
> phone: 765)495-1294 
> 
> 
> 
> 




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