I do not know about 30 gigabytes, however, I do know that when a new kernel is installed, especially if you are installing the development and the source and other related kernel packages, it takes up a fair amount of disk space. And what happens is that after the reboot, a job runs to clean up the old kernels and remove them, so that might be what is happening here.

The extra space could have been from a new kernel installation, which is then subsequently cleaned up after the next reboot.

Just a thought...

Glen

On Sun, Jan 26, 2020, 11:48 Michael Hirmke <mh@mike.franken.de> wrote:

Hi *,

after the latest update for one of my openSUSE Leap 15.1 machines I ran
into a peculiar problem:
On the first boot after updating the machine lots of services didn't
start and the logs told me the root partition was full. While trying to
find out, why that might be, all of a sudden there were 30 gigs
avalaible - without having done anything on my side.
So I decided to reboot the machine again. This time all services
started, but only 7 gigs were available. I waited a few minutes and
after that short period 44 gigs werde available. I monitored the system
for a while, but this value didn't change anymore.

So what the heck is going on here?
Why does the system need 30 to 40 gigs on boot? And for what purpose?
I never observed anything like this.

Any idea?

TIA.

Bye.
Michael.
--
Michael Hirmke
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