[petsc-users] Data saving / viewer

[Matthew Knepley]

On Wed, Jun 13, 2012 at 1:35 AM, Gaetano Esposito <gle6b at virginia.edu>wrote:

> Thanks, I was aware of such functions. I think I may have found where
> my confusion is. If I have a regular Vec, HDF5 SetTimestep and
> IncrementTimestep work as expected.
> Instead the following does not work for me:
>

Is this with the newest release?

  Matt


> [...]
> DMCreateGlobalVector(da, &solution);
> [...]  // fill the vector solution and restore
> HDF5Open
> HDF5SetTimestep(H5_viewer, 0);
>
> ierr = VecView(solution,H5_viewer); ERRCHKQ(ierr);
> HDF5IncrementTimestep(H5_viewer);
> ierr = VecView(solution,H5_viewer); ERRCHKQ(ierr);
> [...]
>
> I get the following external library error from HDF at the line of the
> second VecView:
>
> HDF5-DIAG: Error detected in HDF5 (1.8.6) MPI-process 0:
>  #000: H5D.c line 170 in H5Dcreate2(): unable to create dataset
>   major: Dataset
>   minor: Unable to initialize object
>  #001: H5Dint.c line 431 in H5D_create_named(): unable to create and
> link to dataset
>   major: Dataset
>   minor: Unable to initialize object
>  #002: H5L.c line 1640 in H5L_link_object(): unable to create new
> link to object
>   major: Links
>   minor: Unable to initialize object
>  #003: H5L.c line 1866 in H5L_create_real(): can't insert link
>   major: Symbol table
>   minor: Unable to insert object
>  #004: H5Gtraverse.c line 929 in H5G_traverse(): internal path traversal
> failed
>   major: Symbol table
>   minor: Object not found
>  #005: H5Gtraverse.c line 718 in H5G_traverse_real(): traversal operator
> failed
>   major: Symbol table
>   minor: Callback failed
>  #006: H5L.c line 1675 in H5L_link_cb(): name already exists
>   major: Symbol table
>   minor: Object already exists
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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