H5Part development and discussion

[Mark Howison <mhowison AT brown.edu>]

Hi Matt, it sounds like you are trying to open a file that you do not have 
write permissions to. There might already be a file with that name that is 
read-only. Mark

On Feb 1, 2012, at 2:27 PM, Matthew Bettencourt wrote:

> Hi, I am getting started writing H5Part files and I am using hdf-1.8.8 and 
> h5part-1.6.5.
> 
> When I run a very simple code, attached, I get an error in the 
> H5PartOpenFileParallel which looks like it is an MPI_File_open error.  
> However, in my test code I can open a MPI File just fine.
> 
> So, this works,
>  MPI_File_open(MPI_COMM_WORLD, "foo.mpi",MPI_MODE_CREATE , info, &fh);
> but this doesn't
>  h5file = H5PartOpenFileParallel("foo.h5",H5PART_WRITE,MPI_COMM_WORLD);
> 
> This is beyond my ability to figure this out.  Any help would be great.  
> This is on a RHEL-6 machine with openmpi-1.5.3-3.el6.x86_64 and 
> gcc-4.4.6-3.el6.x86_64
> 
> Thanks
> Matt
> 
> HDF5-DIAG: Error detected in HDF5 (1.8.8) MPI-process 0:
>  #000: 
> /home/mbetten/aleph_workspace/Aleph/user/machines/common/hdf5/hdf5-1.8.8/src/H5F.c
>  line 1440 in H5Fcreate(): unable to create file
>    major: File accessability
>    minor: Unable to open file
>  #001: 
> /home/mbetten/aleph_workspace/Aleph/user/machines/common/hdf5/hdf5-1.8.8/src/H5F.c
>  line 1211 in H5F_open(): unable to open file: time = Wed Feb  1 12:23:38 
> 2012
> , name = 'foo.h5', tent_flags = 13
>    major: File accessability
>    minor: Unable to open file
>  #002: 
> /home/mbetten/aleph_workspace/Aleph/user/machines/common/hdf5/hdf5-1.8.8/src/H5FD.c
>  line 1086 in H5FD_open(): open failed
>    major: Virtual File Layer
>    minor: Unable to initialize object
>  #003: 
> /home/mbetten/aleph_workspace/Aleph/user/machines/common/hdf5/hdf5-1.8.8/src/H5FDmpio.c
>  line 1004 in H5FD_mpio_open(): MPI_File_open failed
>    major: Internal error (too specific to document in detail)
>    minor: Some MPI function failed
>  #004: 
> /home/mbetten/aleph_workspace/Aleph/user/machines/common/hdf5/hdf5-1.8.8/src/H5FDmpio.c
>  line 1004 in H5FD_mpio_open(): MPI_ERR_OTHER: known error not in list
>    major: Internal error (too specific to document in detail)
>    minor: MPI Error String
> E: H5PartOpenFileParallel: Cannot open file "foo.h5" with mode "2"
> 0
> HDF5-DIAG: Error detected in HDF5 (1.8.8) *** The MPI_Comm_rank() function 
> was called after MPI_FINALIZE was invoked.
> *** This is disallowed by the MPI standard.
> *** Your MPI job will now abort.
> 
> 
> <foo.cpp>