[Singularity] Backward compatibility

[Ryo Nakamaru]

Hi all,

Would someone tell me about singularity’s backward compatibility policy? I couldn’t find any document or issues properly.

I understand that we should use the latest version for some reasons, but I sometimes have to run old images as an operator. So I’d like to figure out:

- Do I have to set up several clusters, like 2.3 & 2.5, for each image format versions?

- Is next version compatible with current image format? How about 3.x?

Best,

Nak

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中丸 良
r.nak...@gmail.com

[Dave Godlove]

Hi Nak,

Older images are supposed to work with newer versions of Singularity.  If they don't it's a bug.  Newer images will not typically work with older versions of Singularity though.  That is the basic philosophy.  Does that answer your question?

Dave

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中丸 良
r.nak...@gmail.com

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[Ryo Nakamaru]

Hi Dave,

Thank you! This is what I want to know exactly.

Best,
Nak

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中丸 良
r.nak...@gmail.com