[mpich-discuss] MPICH error on CentOS

[Pavan Balaji]

Looks like I’m late to this email chain.

Please don’t use mpd.  mpd has been deprecated for many releases of mpich now.  You might be using a very old version of mpich.

  —- Pavan

On Nov 6, 2013, at 6:26 PM, bharat gupta <bharat.85.monu at gmail.com> wrote:

> DO I need to add some command in mpd.hosts file 
> 
> 
> On Thu, Nov 7, 2013 at 9:22 AM, bharat gupta <bharat.85.monu at gmail.com> wrote:
> I don't know much about mpi , as I am using gromacs which was complied with mpi option. , But I read somewhere that
> 
>  " If a file named .mpd.conf is available in the user's home directory, only the user can have read and write privileges. The file must minimally contain a line with secretword=<secretword>. If you want to run MPD as root, create the mpd.conf file in the /etc directory instead of .mpd.conf in the root's home directory to run mpd as root. Avoid starting the MPD ring under the root account." Here'e the link http://software.intel.com/sites/products/documentation/hpc/ics/impi/41/lin/Reference_Manual/Multipurpose_Daemon_Commands.htm
> 
> And after using chmod 700 , I still get the same error, but when I create a file mpd.conf in /etc I get the and added the secretword=<secretword> line in the file and run the same command, I get this error:- 
> 
> root at localhost INGT]# mpirun -np 24 mdrun -v -deffnm mdrun
> mpdroot: perror msg: No such file or directory
> mpdroot: cannot connect to local mpd at: /tmp/mpd2.console_root
>     probable cause:  no mpd daemon on this machine
>     possible cause:  unix socket /tmp/mpd2.console_root has been removed
> 
> mpiexec_localhost.localdomain (__init__ 1208): forked process failed; status=255
> 
> 
> On Thu, Nov 7, 2013 at 9:11 AM, Ricardo Román Brenes <roman.ricardo at gmail.com> wrote:
> Try using chmod 700.  Can you run any other mpi example? Like cpi.c
> 
> On Nov 6, 2013 6:08 PM, "bharat gupta" <bharat.85.monu at gmail.com> wrote:
> It have changed the file permission (rw) for root , ls -l mpd.hosts gives the output 
> -rw-r--r--, 1 root root 
> 
> 
> On Thu, Nov 7, 2013 at 9:02 AM, Ricardo Román Brenes <roman.ricardo at gmail.com> wrote:
> With rwx permission just for root?
> 
> On Nov 6, 2013 6:00 PM, "bharat gupta" <bharat.85.monu at gmail.com> wrote:
> I have created the file mpd.hosts in /etc folder in the root , but still it shows the same error ... /usr/bin/mpdroot: open failed for root's mpd conf filempiexec_localhost.localdomain (__init__ 1208): forked process failed; status=255
> 
> 
> On Thu, Nov 7, 2013 at 8:45 AM, Ricardo Román Brenes <roman.ricardo at gmail.com> wrote:
> You need to create a mpd.hosts in /etc if you want to run mpd as root
> 
> On Nov 6, 2013 5:41 PM, "bharat gupta" <bharat.85.monu at gmail.com> wrote:
> Hi,
> 
> I am getting the following error while using the command - 
> 
> [root at localhost INGT]# mpirun -np 24 mdrun_mpi -v -deffnm npt
> 
> Error - 
> 
> /usr/bin/mpdroot: open failed for root's mpd conf filempiexec_localhost.localdomain (__init__ 1208): forked process failed; status=255
> 
> I complied gromacs using - ./configure --enable-shared --enable-mpi. I have installed the mpich package , this is what I get when I check for mpirun and mpiexec -
> 
> [root at localhost /]# which mpirun
> /usr/bin/mpirun
> [root at localhost /]# which mpiexec
> /usr/bin/mpiexec
> 
> What could be the problem here ??
> 
> Thanks
> -------- 
> Bharat
> 
> 
> 
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> 
> -- 
> Bharat
> Ph.D. Candidate
> Biomolecular Engineering Laboratory
> Pusan National University
> South Korea
> Mobile no. - 010-5818-3680
> 
> 
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> 
> 
> -- 
> Bharat
> Ph.D. Candidate
> Biomolecular Engineering Laboratory
> Pusan National University
> South Korea
> Mobile no. - 010-5818-3680
> 
> 
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
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> 
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
> https://lists.mpich.org/mailman/listinfo/discuss
> 
> 
> 
> -- 
> Bharat
> Ph.D. Candidate
> Biomolecular Engineering Laboratory
> Pusan National University
> South Korea
> Mobile no. - 010-5818-3680
> 
> 
> 
> 
> -- 
> Bharat
> Ph.D. Candidate
> Biomolecular Engineering Laboratory
> Pusan National University
> South Korea
> Mobile no. - 010-5818-3680
> 
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
> https://lists.mpich.org/mailman/listinfo/discuss

--
Pavan Balaji
http://www.mcs.anl.gov/~balaji