Werner, Thanks for the reply. Yes, that is precisely what I would like to do. I thought I recalled that "external links" were for non-HDF5 files though. Perhaps I am mistaken. So would/could a client use the HDF5 files transparently as though they were a single file?
Kirk > You should be able to set up both a harddisk and memory HDF5 file and make > external links from one to the other and vice versa. Would that do the > job? > > Werner > > > On Mon, 19 Apr 2010 13:37:24 -0400, Kirk Harrison <[email protected]> > wrote: > >> Does HDF5 support construction of a virtual HDF5 file composed of both >> local disk (e.g., H5FD_SEC2, H5FD_STDIO) and memory-based files >> (e.g., H5FD_CORE) possibly through the use of the H5FD_FAMILY driver? >> >> Application >> | >> | >> HDF5 Virtual File Layer (VLF) >> ( H5FD_FAMILY ) >> | | >> | | >> H5FD_CORE H5FD_STDIO >> | | >> | | >> Memory Hard Drive >> >> I also would like to create an HDF5 file that has a small and fast memory >> cache for incoming live data and periodically write its contents to storage >> for longer term retrieval. >> >> It is not clear to me through the documentation whether the H5FD_FAMILY >> is only applicable to combining local disk (i.e. Hard Drive) based file >> drivers. >> >> The goal that I'm shooting for is seamless access across both a >> memory-based file and one that is stored on a hard disk. >> >> Regards, Kirk >> >> >> _______________________________________________ >> Hdf-forum is for HDF software users discussion. >> [email protected] >> http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org >> >> > > > -- > ___________________________________________________________________________ > Dr. Werner Benger Visualization Research > Laboratory for Creative Arts and Technology (LCAT) > Center for Computation & Technology at Louisiana State University > (CCT/LSU) > 211 Johnston Hall, Baton Rouge, Louisiana 70803 > Tel.: +1 225 578 4809 Fax.: +1 225 578-5362 > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org > _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
