Hi Lynton, I've verified that this bug has finally been fixed in the upcoming HDF5-1.8.11 release. If you want to apply the patch to your currnt HDF5 version, see the Jira ticket: https://bugtracking.unidata.ucar.edu/browse/NCF-155 --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: JNH-860762 Department: Support netCDF Priority: Critical Status: Closed