Hi Richard, > I have a question. Yesterday my HDF5 file got corrupted due to disk-space > shortage. > ... > Thus I would like to catch the > errors returned by the HDF5 library and then close all resources leaving the > HDF5 file in a proper state. Is that possible, or is the file lost after a > failed write action?
While it can be dramatically less space efficient, I tend to write entirely new HDF5 files, close them, flush to disk, and then rename(3) to (more-or-less) atomically overwrite the old file. This works regardless of the underlying HDF5 driver. All one needs is the guarantee that the driver really flushes when asked to flushed. As always, it leaves one at the mercy of the OS. My use case is maintaining the last N simulation restart files where I never want to clobber any old ones before I know the most recent has been successfully written. The approach may not be useful when you want to add data to a large, pre-existing file as it would require a large file copy. - Rhys _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
