[Bug 1919015] [NEW] Installing on 3 TB BTRFS raid1 with data and EFI of 133 MB already new FAT32 fails

[Iuga Marian Silviu]

Public bug reported:

I have 2 PCS 3TB HDD with some data on BTRFS raid1 with no subvolumes
sda      8:0    0   2.7T  0 disk 
├─sda1   8:1    0   2.7T  0 part 
└─sda2   8:2    0 126.9M  0 part /target/boot/efi
sdb      8:16   0   2.7T  0 disk 
├─sdb1   8:17   0   2.7T  0 part /target/home
└─sdb2   8:18   0  63.7M  0 part 
The installer is not smart enough (yet) to properly install Ubuntu this way.
Please try to fix the installer to work in this case.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15.10
ProcVersionSignature: Ubuntu 5.8.0-43.49~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-43-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CasperVersion: 1.445.1
Date: Sat Mar 13 11:09:38 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal ubiquity-20.04.15.10 ubuntu

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https://bugs.launchpad.net/bugs/1919015

Title:
  Installing on 3 TB BTRFS raid1 with data and EFI of 133 MB already new
  FAT32 fails

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I have 2 PCS 3TB HDD with some data on BTRFS raid1 with no subvolumes
  sda      8:0    0   2.7T  0 disk 
  ├─sda1   8:1    0   2.7T  0 part 
  └─sda2   8:2    0 126.9M  0 part /target/boot/efi
  sdb      8:16   0   2.7T  0 disk 
  ├─sdb1   8:17   0   2.7T  0 part /target/home
  └─sdb2   8:18   0  63.7M  0 part 
  The installer is not smart enough (yet) to properly install Ubuntu this way.
  Please try to fix the installer to work in this case.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.15.10
  ProcVersionSignature: Ubuntu 5.8.0-43.49~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-43-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27.16
  Architecture: amd64
  CasperMD5CheckResult: skip
  CasperVersion: 1.445.1
  Date: Sat Mar 13 11:09:38 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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