[netcdfgroup] Superblock version 0

• To: netcdfgroup@xxxxxxxxxxxxxxxx
• Subject: [netcdfgroup] Superblock version 0
• From: Dave Allured - NOAA Affiliate <dave.allured@xxxxxxxx>
• Date: Fri, 3 Jun 2016 16:11:45 -0600

Netcdf group,

My team is starting to test netcdf-4.4.1-rc2 with the latest HDF5 library,
currently 1.10.0-patch1.  I see that netcdf-4 files are now being generated
with superblock version 0 for the first time in the history of netcdf-4.
Presumably this is a result of the recent format compatibility fix in 4.4.1.

All the older netcdf-4 files that I sampled, back to the original
netcdf-4.0 (2008), were created as superblock version 2.

Are there any indications whether superblock 0 will be robust and
interoperable, going into the future?

--Dave

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