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the gigabyte capacity, incorrect at obsd installer
hi
I tried to reinstall openbsd. I booted back to LMDE(debian), deleted obsd partition, then created it again (21GB), toggled it with fdisk /dev/sda to a6 (openbsd data, on that fdisk version -whom may various-), then reboot to openbsd installation disk, then wizard: on my 21GB partition, I try to make only one slice : I enter default values for it each time, at the end p g shows only 15GB according the following pictures : why? thank you partition manager gallery : https://imgur.com/a/5yrOli1 https://f2l.retzien.fr/gallery/1672924906-34/ obsd isntaller : the 145403.jpg image ends on the result of the only slice installed using default criterias, as I imagine the maximum GB size it could take within the openbsd parititon : 15.6GB in obsd installer, whom same partition is saw as 21GB under LMDE/debian gparted https://imgur.com/a/hhbZxT3 https://f2l.retzien.fr/gallery/1672925155-56/ thank you |
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Quote:
in fact, when installer asks, I choose firstly "openbsd area", then "custom" one. disklabel opens, I wipe the BSD partition, or if none, I create ones : a (to add) then offset I let it then for size I do Ng then slice type and mount point.. on my side, giving to an openbsd area 21GB of space, then on the obsd installer, it says 15G of free space, somewhere I don't understand, it's not allocation of slices problem, but well openbsd whom detects obsd area wrong, I guess? from linux where /, /home and a swap were highly enoguh, I found out that obsd requires for a separate /usr. Well, then with my first installation experiments I was expecting the bigger of system data were going on /, then few of rest going to /usr, I discover I was wrong, I think none of my obsd laptops have a / used more than 1GB, but the /usr is a huge bigger used ... that's why on my little 20GB openbsd area (whom is enough for basic usage), bring about 10/15 go /usr would be a good choice, then a little gigabyte for swap, same for / and for /home (I need few files data space only).. but I dont get why on custom (or others?) layout, it see only 15GB as openbsd data space, whom gparted and windows see 21GB.. it's a bit bizarre for me.. |
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The fdisk(8) program showed that your OpenBSD MBR partition has 44701696 sectors. That's the correct number of sectors -- it matches what you created when you were running Linux. I expect that the MBR partition runs contiguously from LBA 1164591104 through to LBA 1209292799. This is within the second Extended DOS MBR partition that starts at LBA 1164589056 for 44703744 sectors, ending at the same sector: LBA 1209292799.
I can see you ran disklabel(8) and deleted the OpenBSD partitions: a, b, d, e - (/, swap, /usr, /home) - and attempted to create a single "a" partition, but the sector size was limited to 32768000 sectors. This is well within the 2 TB MBR addressing limit, therefore I can only guess that there is an unintended boundary set, probably from a previously existing disklabel on the drive. What does the output of # disklabel sd0 show as "boundstart" and "boundend" values? If they are wrong, you can delete the existing on-disk disklabel with the "z" command, or modify the boundaries with the "b" command.
Last edited by jggimi; 10th July 2022 at 10:51 PM. Reason: Added "b" command |
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solved by removing the openbsd-area partition, then recreated partition with parted linux tool, toggled to openbsdarea
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