On Mar 14, 2012, at 7:48 AM, Richard van Hees wrote:
> Hi,
>
> I have a question. Yesterday my HDF5 file got corrupted due to disk-space
> shortage. Maybe I could have saved the file by a check on the available
> disk-space before I tried to add data to the file (using system-tools).
> However this will not help in case, the program itself is responsible for the
> shortage of disk-space (by adding a lot of data) or someone adds during the
> execution a lot of data to the system. 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?
>
> Would it make a difference using an other file driver? H5FD_STDIO instead of
> H5FD_SEC2?
> Would it make a difference using other setting for xfer_plist_id in the call
> to H5Dwrite?
>
> Would it be possible in a future release (1.10) to restore file to a previous
> defined state?
This is tricky due to the large amount of data that the HDF5 library
caches in memory... We're making progress on a feature which should address
it, but won't be released for several months yet.
Quincey
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