Hi Daniel,
Hmm, can you pin this down to a small sample program that you could
send us?
Quincey
On May 10, 2012, at 11:30 AM, Daniel Russel wrote:
> ext4 and hfs+, nothing too exotic, I'm afraid.
>
> On Wed, May 9, 2012 at 10:29 PM, Salnikov, Andrei A.
> <[email protected]> wrote:
> Hi Drussel,
>
> what filesystem are you writing to? We had bad case of non-reproducible
> metadata corruption when writing HDF5 to older version of Lustre.
>
> Cheers,
> Andy.
>
> [email protected] wrote on 2012-05-08:
> > Having investigated further, the problem is not actually connected to
> > reopening of HDF5 files, and occurs, intermittently, even when I don't
> > reopen the file and instead just re-write the entries in the data sets.
> > I have made a build of HDF5 with its internal memory management turned
> > off (on a different machine), and run the whole thing through with
> > valgrind. Valgrind reports no errors (nor does hdf5), but the resulting
> > files are (sometimes) reported as having errors when accessed afterwards
> > either by our code or tools like h5dump.
> >
> > Any suggestions as to what to try next? We have numerous various simple
> > tests of our code that don't exhibit the problem and, so far, my
> > attempts to produce a simpler example have not yielding something
> > useful. Thanks very much.
> >
>
>
>
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