[Bug 1876935] [NEW] Grub installation failed on RAID configuration

[Alexandru Alin]

Public bug reported:

After Ubuntu 20.04 LTS is DONE, it came a message on the screen, cannot
install the bootloader on /dev/sda

Device       Start       End   Sectors   Size Type
/dev/sda1  1312768   7604223   6291456     3G EFI System
/dev/sda2   264192   1312767   1048576   512M BIOS boot
/dev/sda3  7604224 467814399 460210176 219.5G Linux filesystem

/dev/sda is the first disk in the RAID5 array

Disk /dev/md0: 438.65 GiB, 470983639040 bytes, 919889920 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 524288 bytes / 1048576 bytes
Disklabel type: gpt
Disk identifier: 3CDC0732-4E24-4828-BC86-85B35CCA53E5

Device         Start       End   Sectors   Size Type
/dev/md0p1      2048    411647    409600   200M BIOS boot
/dev/md0p2    976896 128872447 127895552    61G Linux filesystem
/dev/md0p3 128872448 919887871 791015424 377.2G Linux filesystem

Bootloader fails to install on /dev/sda. Also it doesn't work on
/dev/sdb and /dev/sdc the other 3 drives from the RAID array.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckMismatches: ./pool/restricted/n/nvidia-graphics-drivers-440/libnvidia-extra-440_440.82+really.440.64-0ubuntu6_amd64.deb
CasperMD5CheckResult: skip
CasperVersion: 1.445
Date: Tue May  5 17:32:18 2020
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
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 ubuntu

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to grub-installer in Ubuntu.
https://bugs.launchpad.net/bugs/1876935

Title:
  Grub installation failed on RAID configuration

Status in grub-installer package in Ubuntu:
  New

Bug description:
  After Ubuntu 20.04 LTS is DONE, it came a message on the screen,
  cannot install the bootloader on /dev/sda

  Device       Start       End   Sectors   Size Type
  /dev/sda1  1312768   7604223   6291456     3G EFI System
  /dev/sda2   264192   1312767   1048576   512M BIOS boot
  /dev/sda3  7604224 467814399 460210176 219.5G Linux filesystem

  /dev/sda is the first disk in the RAID5 array

  Disk /dev/md0: 438.65 GiB, 470983639040 bytes, 919889920 sectors
  Units: sectors of 1 * 512 = 512 bytes
  Sector size (logical/physical): 512 bytes / 512 bytes
  I/O size (minimum/optimal): 524288 bytes / 1048576 bytes
  Disklabel type: gpt
  Disk identifier: 3CDC0732-4E24-4828-BC86-85B35CCA53E5

  Device         Start       End   Sectors   Size Type
  /dev/md0p1      2048    411647    409600   200M BIOS boot
  /dev/md0p2    976896 128872447 127895552    61G Linux filesystem
  /dev/md0p3 128872448 919887871 791015424 377.2G Linux filesystem

  Bootloader fails to install on /dev/sda. Also it doesn't work on
  /dev/sdb and /dev/sdc the other 3 drives from the RAID array.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.15
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Uname: Linux 5.4.0-26-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckMismatches: ./pool/restricted/n/nvidia-graphics-drivers-440/libnvidia-extra-440_440.82+really.440.64-0ubuntu6_amd64.deb
  CasperMD5CheckResult: skip
  CasperVersion: 1.445
  Date: Tue May  5 17:32:18 2020
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1876935/+subscriptions