[Bug 2146873] Re: Try default 26.04/s390x installation on z/VM using DASD

[Frank Heimes]

Hi Thorsten, thank you for the additional test and the feedback and
files/logs.

I will try to recreate this in the exact same way you did (thx for the
screenshots) with a mod54 and two different partitions for / and /boot.

I remember that we in the past once had a rounding issue while
calculating the partition size.

Even if 2GB looks pretty sound, an attempt with a slightly different size would be interesting (let's say 1GB for /boot and 32GB for /).
(and possibly also trying with a different DASD - in case one is available).

As well as the manual steps mentioned in
https://bugs.launchpad.net/ubuntu-z-systems/+bug/2146873/comments/10 .

Btw. you selected a Reformat, which is good, since it triggers a dasdfmt
which wipes out any pre-existing disk config and starts with a clean
disk.

But I now try to recreate exactly the steps you did.

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https://bugs.launchpad.net/bugs/2146873

Title:
  Try default 26.04/s390x installation on z/VM using DASD

Status in Ubuntu on IBM z Systems:
  New
Status in curtin package in Ubuntu:
  New
Status in subiquity package in Ubuntu:
  New

Bug description:
  Please try a 26.04 beta (or daily) test installation (using largely
  the defaults) on z/VM with DASD disks.

  (https://cdimage.ubuntu.com/ubuntu-server/daily-live/20260329/ or
  better latest daily:)

  https://cdimage.ubuntu.com/ubuntu-server/daily-live/current/

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