December 24, 2019 4:42 AM, "Dumitru Moldovan" <du...@gmx.com> wrote:

> On Sun, Dec 22, 2019 at 10:56:20AM +1000, Stuart Longland wrote:
> 
>> So, a few years ago now, I deployed a router VM with OpenBSD 6.1 AMD64.
>> Later that got updated to 6.2, then 6.3, 6.4…
>> 
>> Yesterday I updated it to 6.5, then 6.6… now I'm trying to run syspatch:
> 
> I have a similar issue with my desktop. I tried to outsmart the
> automatic installer to squeeze as much space as possible for /home on a
> desktop with an 80GB SSD. Which worked out OK for a few upgrade cycles,
> always from stable version to next stable version.
> 
> However, after a couple of years, I had to unbreak an update that didn't
> fit any more in /usr. To my surprise, I had lots of old libs from
> previous releases left on disk. Had to manually remove a few of the
> older unused libs from /usr to be able to redo the update successfully.
> 
> My understanding is that this is by design. In an update, some libs are
> overwritten (if they keep the same file name), but others are left on
> disk (theoretically unused) when lib versions are incremented. I can
> see a few ways in which this eases updates for people following
> -current, such as the OpenBSD devs, so it's a small price to pay.

one thing that is useful is sysclean(8)

my process now after a doas sysupgrade is
1) doas sysclean; and review the output
2) vise /etc/sysclean.ignore; so that sysclean ignores special files i created
3) doas sysclean | xargs doas rm -rf

yorosiku ~

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