[mpich-discuss] ADIOI_Set_lock error

[Luke Van Roekel]

Hello Wei-king,
  No luck there, still the same error.  I'll ping our computer folks again.

Luke

On Tue, Nov 1, 2016 at 10:10 AM, Wei-keng Liao <wkliao at eecs.northwestern.edu
> wrote:

> Hi, Luke
>
> Could you try the attached program and run by adding "lustre:" prefix to
> the filename?
> I.e. mpiexec -n 2 a.out lustre:/path/to/Lustre/testfile
>
> This checks whether the Intel MPI calls the Lustre driver correctly.
>
> Wei-keng
>
>
>
>
> On Nov 1, 2016, at 10:00 AM, Luke Van Roekel wrote:
>
> > Thanks Rob, no luck with the mpi_info object and our computing folks are
> not willing to set the necessary option.  Do you know why this is specific
> to intel-mpi?  Openmpi has no issue.  Our HPC people thought the
> MPI_File_write_at_all always requires a file lock, but openmpi seems to be
> fine.
> >
> > On Tue, Nov 1, 2016 at 8:42 AM, Rob Latham <robl at mcs.anl.gov> wrote:
> >
> >
> > On 10/31/2016 11:47 PM, Luke Van Roekel wrote:
> > Hello,
> >
> > I've been trying to compile and run a very simple mpi test on our
> > cluster with intel-mpi and openmpi.  The test program is below.  When I
> > run with openmpi everything is fine.  When I run with intel-mpi, I
> > receive the following error
> >
> > This requires fcntl(2) to be implemented. As of 8/25/2011 it is not.
> > Generic MPICH Message: File locking failed in ADIOI_Set_lock(fd 6,cmd
> > F_SETLKW/7,type F_WRLCK/1,whence 0) with return value FFFFFFFF and errno
> 26.
> >
> >
> > - If the file system is NFS, you need to use NFS version 3, ensure that
> > the lockd daemon is running on all the machines, and mount the directory
> > with the 'noac' option (no attribute caching).
> >
> > - If the file system is LUSTRE, ensure that the directory is mounted
> > with the 'flock' option.
> >
> > ADIOI_Set_lock:: Function not implemented
> >
> > ADIOI_Set_lock:offset 0, length 4
> >
> >
> > your site administrator needs to enable fcntl locking with the 'flock'
> mount option .
> >
> > You can try disabling data sieving:  you would create an MPI_Info object
> and add the key "romio_ds_write" with the value "disable"
> >
> > ==rob
> >
> >
> >
> > Any thoughts on how to proceed?  The size/format of the file read in
> > seems to make no difference.
> >
> > Regards,
> > Luke
> >
> >
> >  #include <stdio.h>
> >
> >  #include <stdlib.h>
> >
> >  #include <mpi.h>
> >
> >
> >
> >   int main(int argc, char **argv) {
> >
> >     int buf, err;
> >
> >     MPI_File fh;
> >
> >     MPI_Status status;
> >
> >
> >     MPI_Init(&argc, &argv);
> >
> >     if (argc != 2) {
> >
> >         printf("Usage: %s filename\n", argv[0]);
> >
> >         MPI_Finalize();
> >
> >         return 1;
> >
> >     }
> >
> >     err = MPI_File_open(MPI_COMM_WORLD, argv[1], MPI_MODE_CREATE |
> >
> >                         MPI_MODE_RDWR, MPI_INFO_NULL, &fh);
> >
> >     if (err != MPI_SUCCESS) printf("Error: MPI_File_open()\n");
> >
> >
> >     err = MPI_File_write_all(fh, &buf, 1, MPI_INT, &status);
> >
> >     if (err != MPI_SUCCESS) printf("Error: MPI_File_write_all()\n");
> >
> >
> >     MPI_File_close(&fh);
> >
> >     MPI_Finalize();
> >
> >     return 0;
> >
> > }
> >
> >
> >
> > _______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
> >
> > _______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
> >
> > _______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
>
>
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
> https://lists.mpich.org/mailman/listinfo/discuss
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mpich.org/pipermail/discuss/attachments/20161101/d71a2d48/attachment.html>
-------------- next part --------------
_______________________________________________
discuss mailing list     discuss at mpich.org
To manage subscription options or unsubscribe:
https://lists.mpich.org/mailman/listinfo/discuss