Bug#992345: www.debian.org: bullseye release-notes are misleading about the needed disk space

Hi Vincent,

Vincent Lefevre <[email protected]> (2021-08-17):
> 649 upgraded, 113 newly installed, 11 to remove and 1 not upgraded.
> Need to get 455 MB of archives.
> After this operation, 558 MB of additional disk space will be used.
> 
> and I had around 650 MB free space

455+558 >> 650 so it was very unlikely to work?

But yeah, even if the release notes mention “After the download […]”
things, it could probably point out that you should look at both
numbers, instead of just using xx.x and AAA placeholders.

> I suspect that some packages like this one need a lot of temporary
> disk space (could this be related to initrd before compression?).
> But there is nothing about that in the release notes. And perhaps
> a warning should have been output by apt.

There's one for the directory where debs are downloaded (which you
didn't get since 455 << 650), but I suspect it's harder to estimate
where the whole “additional disk space” is going to end up, depending on
file system layout, etc.?


Cheers,
-- 
Cyril Brulebois ([email protected])            <https://debamax.com/>
D-I release manager -- Release team member -- Freelance Consultant

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