File Format Changes Or: When might one HDF5 release be unable to read data created, written or changed by another HDF5 release?
HDF5 1.8 cannot read my old files but HDF5 1.6 can. IDL 7.0 and other HDF5 1.6.3 applications cannot read my files created with HDF5 1.8 I cannot open some objects in some files created or changed with an HDF5 Library from Release 1.6.0 or later. I cannot open some files created or changed with an HDF5 Library from Release 1.6.0 or later. New group structure options were introduced at Release 1.8.0. The first class of compatibility issues consists of situations where an HDF5 Library from one release cannot read files or datasets created by an HDF5 Library of a different release. Such a condition can arise when the HDF5 file format has changed, which usually occurs for one of the following reasons: To allow for recording a new class of data or metadata. The B-tree parameter issue at HDF5-1.6.0-post* is an example of such a change. To allow for a new sort of file structure. The group revision at Release 1.8.0 is an example of such a structural change. HDF5 1.8 cannot read my old HDF5 fil
