Docs: Internals: Data storage (Export archive)

[ramirezfranciscof]

No description provided.

[ramirezfranciscof]

Current link is broken.

Content should be on the old documentation.

[ltalirz]

To recap the discussion from the docs days wrap-up meeting:

We agree on the terms

• "AiiDA archive format" for the format
• "AiiDA archive files" or just "AiiDA archives" for the individual archive files

In particular, the term export is not needed to describe these files, but of course it remains useful to describe the process of creating them (one would say: "I export a subset of my graph to an AiiDA archive (file).").
The fact that the current AiiDA archive format contains a key export_version in the metadata.json is acceptable and does not need to be changed now (it could be changed in the new version of the archive format if desired).

We will try to avoid a nameclash with the upcoming new functionality for moving the outputs of CalcJobs to different storage locations (i.e. ideally not use the term "archive"/"archiving" there).