Re: [netcdfgroup] netcdf-4.0-beta2 and netcdf-3.6.3-beta1 now available on Unidata web site...

  • To: Jeff Whitaker <jswhit@xxxxxxxxxxx>
  • Subject: Re: [netcdfgroup] netcdf-4.0-beta2 and netcdf-3.6.3-beta1 now available on Unidata web site...
  • From: Ed Hartnett <ed@xxxxxxxxxxxxxxxx>
  • Date: Thu, 08 May 2008 11:31:11 -0600
Jeff Whitaker <jswhit@xxxxxxxxxxx> writes:

> Ed:  The web page says netcdf-4.0-beta2 requires 1.8.0-snap5, but it
> appears to work fine with 1.8.0.  Is it really necessary to have snap5
> or can the released version of hdf5 1.8.0 be used?
>

Howdy Jeff!

The HDF5 1.8.0 release has some issues which cause data corruption in
some netcdf-4 cases (arrays of VLENs of size one or two bytes). This
bug is not too easy to find, but it's there.

This difficulty will be solved with the HDF5 1.8.1 release, next month
(it's fixed in the snap5 release as well).

So you must use the 1.8.0-snap5 release for reliable data using the
new netCDF-4 features.

Thanks,

Ed

-- 
Ed Hartnett  -- ed@xxxxxxxxxxxxxxxx


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