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Bug#1076952: [RFD] partman-auto: Update guided partitioning size limits for current and future needs



On 25/08/2024 at 19:03, Holger Wansing wrote:

I have prepared a netinst image for testing now with both above mentioned MRs:
https://people.debian.org/~holgerw/d-i__new-limits_and_fix-envelope-calculation/

Thank you.

(960 MB, sorry)

Wow, what makes it so much bigger than the 12.6 netinst image (662MB) ?
It will barely fit in my good old 1GB USB stick...

Screenshots from tests with 4 different disk sizes are at the same URL as
above.
As can be seen, /boot is 1G of size in most cases, even on a 10G disk.
I guess that not how it's supposed to be?

Actually it is: parted shows that the exact /boot size with atomic/home on 10GiB (10.73GB) is 1001MB and is the expected result per the specification algorithm. It is close to the maximum 1024MB because 10GiB is close to the "threshold" disk size which allows /boot to reach its maximum size (~11.2GB). 868MB with multi is also the expected result.

All other disk sizes are above the threshold, so /boot size is maximum.

The recipes give /boot a rather high priority: 5% of available space (same as / which is much bigger), so the gap between the maximum and minimum size (256MB) is reached with only 5.1GB extra disk space above the minimum disk space (6.1GB for atomic and home, 8.7GB for multi). Maybe I should lower the priority...


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