Hi, About 2, you could try the development SWMR version ( ftp://hdfgroup.uiuc.edu/pub/outgoing/SWMR/src/), which, in theory, should not suffer from the problem. I have no idea about v1.10 but I would also be very much interested.
Cheers, Filipe On Mon, Aug 11, 2014 at 10:51 PM, John Kua <[email protected]> wrote: > Hi, > > I'm working on a project where we are recording data directly from our > sensor platform to a set of HDF5 files. We recently ran into an issue where > the system lost power and now I cannot open the HDF5 files. The data > appears to be there, but I'm guessing some of the metadata is corrupt/out > of date. We are currently using v1.8.x of the HDF5 library, mostly with the > C++ API, but with some C API calls as well. > > A few questions: > 1) What can I do to recover this data? I've started looking at the HDF5 > file format, but any pointers would be appreciated. > > 2) Is there anything I can do in the future to avoid file corruption from > power loss/crashing processes? We already periodically call the flush() > method. > > 3) I saw that metadata journaling is on the roadmap at v1.10, but I also > saw mentions that that release was targeted for 2009 - is there an update > on when this will be available? > > Many thanks - I'm a great fan of HDF5 and I don't want to go back to > writing flat binary files! > > -John > > ----------------- > John Kua > Research Scientist > Applied Nuclear Physics > Lawrence Berkeley National Laboratory > > > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > > http://mail.lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org > Twitter: https://twitter.com/hdf5 >
_______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org Twitter: https://twitter.com/hdf5
