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From: lichanjuan04_at_[hidden]
Date: 2007-06-14 07:23:17


Thanks for your help, I solved my problem. I make a stupid mistake,I
just modify .bash_profile before, I modify .bashrc, it works. so stupid
I am.
anyway,thanks your reply.
On Thu, 2007-06-14 at 07:10 -0400, Jeff Squyres wrote:
> You have two options:
>
> 1. Ensure that your PATH and LD_LIBRARY_PATH are exactly what you
> think they are on the remote nodes. A common problem that some
> people run into is that they setup their PATH/LD_LIBRARY_PATH in the
> "interactive" portions of their .bashrc, meaning that they are only
> set for interactive logins (and therefore not set for non-interactive
> logins). Try the following:
>
> ssh othernode 'echo $PATH'
>
> Note the single quotes; they are necessary to ensure that "echo
> $PATH" is evaluated on the *remote* node. Do the same with
> $LD_LIBRARY_PATH and ensure that they are really set to the values
> that you think they are. Check out the following FAQ entry:
>
> http://www.open-mpi.org/faq/?category=running#adding-ompi-to-path
>
> 2. Use the --prefix functionality in mpirun to automatically set the
> PATH / LD_LIBRARY_PATH values for the remote node. Check out this
> FAQ entry:
>
> http://www.open-mpi.org/faq/?category=running#mpirun-prefix
>
> Note that a synonym to the --prefix functionality that is not [yet]
> mentioned in that FAQ entry is that you can use the absolute pathname
> to mpirun. For example:
>
> /path/to/mpirun ...
>
> Or you can use OMPI 1.2's --enable-mpirun-prefix-by-default option to
> OMPI's configure, which will tell mpirun to always assume that it
> needs to use --prefix-like behavior (without you needing to specify
> it on the mpirun command line).
>
> Hope that helps.
>
>
> On Jun 12, 2007, at 11:58 PM, lichanjuan04_at_[hidden] wrote:
>
> > On Wed, 2007-06-13 at 11:47 +0800, lichanjuan04_at_[hidden] wrote:
> >> hi,all:
> >> I am a first user of openmpi, I have used mpich before.I found
> >> there
> >> are many differenties between them.So I am confused.
> >> I build openmpi on a ps3 using default option,that is
> >> $ ./configure --prefiex=
> >> $ make all install
> >> I modify my .bash_profile file and add openmpi lib and
> >> executable file
> >> in LD_LIBRARY_PATH and PATH.
> >> I use NFS file system between server and node, I just install
> >> openmpi on
> >> server.
> >> I check the mailling list and FAQ, knowing default lancher is
> >> ssh,but I
> >> sitll add "pls_rsh_agent = ssh" in openmpi-mca-params.conf.
> >>
> >> I test the hello_c.c example. when I run:
> >> $mpiexec -host ps3-2 -n 4 ./hello
> >> it can run correctly(ps3-2 is hostname of server).I try it on
> >> each node.
> >> but when I run:
> >> $ mpiexec -hostfile host.txt -n 4 ./hello
> >>
> >> content of host.txt:
> >> ps3-1
> >> ps3-2
> >>
> >> there is error message:
> >>
> >> bash: orted: command not found
> >> [ps3-1:25154] [0,0,0] ORTE_ERROR_LOG: Timeout in file
> >> base/pls_base_orted_cmds.c at line 275
> >> [ps3-1:25154] [0,0,0] ORTE_ERROR_LOG: Timeout in file
> >> pls_rsh_module.c
> >> at line 1164
> >> [ps3-1:25154] [0,0,0] ORTE_ERROR_LOG: Timeout in file
> >> errmgr_hnp.c at
> >> line 90
> >> [ps3-1:25154] ERROR: A daemon on node ps3-2 failed to
> >> start as
> >> expected.
> >> [ps3-1:25154] ERROR: There may be more information available
> >> from
> >> [ps3-1:25154] ERROR: the remote shell (see above).
> >> [ps3-1:25154] ERROR: The daemon exited unexpectedly with
> >> status
> >> 127.
> >> [ps3-1:25154] [0,0,0] ORTE_ERROR_LOG: Timeout in file
> >> base/pls_base_orted_cmds.c at line 188
> >> [ps3-1:25154] [0,0,0] ORTE_ERROR_LOG: Timeout in file
> >> pls_rsh_module.c
> >> at line 1196
> >>
> >> ---------------------------------------------------------------------
> >> -----
> >> mpiexec was unable to cleanly terminate the daemons for this
> >> job.
> >> Returned value Timeout instead of ORTE_SUCCESS.
> >>
> >>
> >> ---------------------------------------------------------------------
> >> -----
> >> I search the same problem in mailing list and FAQ, saying
> >> PATH
> >> and
> >> LD_LIBRARY_PATH are not setted correctly,but I ensure them
> >> in my
> >> path.
> >> I use openmpi in first time, so hope anybody help me,thanks a
> >> lot!
> >> _______________________________________________
> >> users mailing list
> >> users_at_[hidden]
> >> http://www.open-mpi.org/mailman/listinfo.cgi/users
> > sorry, I forget some information. I use openmpi1.2, I try to run the
> > command on remote host such as ,run command on ps3-1:
> > $ mpiexec -host ps3-2 -n 2 ./a.out
> > there appear same error message.I think there is something wrong with
> > rsh/ssh,but I don't where to modify or some file I missed.
> > if someone met same problem,please tell me the solution. I will be
> > grateful. thanks very much!
> >
> > Li chanjuan
> > --
> > Li, Chanjuan Lanzhou University
> > Distributed & Embedded System Lab http://dslab.lzu.edu.cn
> > School of Information Science and Engeneering
> > lichanjuan04_at_[hidden]
> > Tianshui South Road 222. Lanzhou
> > 730000 .P.R.China
> > Tel:+86-931-8912025 Fax:+86-931-8912022
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>

-- 
Li, Chanjuan                                        Lanzhou University
Distributed & Embedded System Lab              http://dslab.lzu.edu.cn
School of Information Science and Engeneering        lichanjuan04_at_[hidden]
Tianshui South Road 222. Lanzhou 730000                      .P.R.China
Tel:+86-931-8912025                                Fax:+86-931-8912022