[Bug 2025039] Re: Wrong disk space requirement: 18 GB requirement per text, 19.9 GB actually required to perform the installation

[David Hedlund]

Thank you for your report.

You used mantic-desktop-amd64.iso (Ubuntu 23.10), and I used ubuntu-
mate-23.04-desktop-amd64.iso. Your release is ahead of mine, so perhaps
this has been fixed?

** Project changed: ubuntu-desktop-installer => subiquity (Ubuntu)

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Title:
  Wrong disk space requirement: 18 GB requirement per text, 19.9 GB
  actually required to perform the installation

Status in subiquity package in Ubuntu:
  New

Bug description:
  For Ubuntu 23.04:

  * I created a VM in virt-manager with 0,0 GiB (the unit used by virt-manager, only one decimal is allowed -- but this is not related to this filed issue) to find out about the required disk space. Ubiquity says that it requires 18 GB
  * Created a new VM in virt-manager with 16,8 GiB (18.03886 GB). Tried to re-install. Uqiquity: "Not enought disk space to install Ubuntu. Required: 18 GB. Available: 17: GB"
  * Created a new VM in virt-manager with 17,7 GiB (19.00523 GB). Tried to re-install. Uqiquity: "Not enought disk space to install Ubuntu. Required: 18 GB. Available: 18: GB"
  * Created a new VM in virt-manager with 18,4 GiB (19.75685 GB). Tried to re-install. Uqiquity: "Not enought disk space to install Ubuntu. Required: 18 GB. Available: 18: GB"
  * Created a new VM in virt-manager with 18,5 GiB (19.86423 GB). Tried to re-install. Uqiquity: No complaint, I could install the distro.

  Also, please add a decimal to the required disk space even for whole
  numbers ("19.9" in this case) to make it convenient to evaluate it.

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