[Bug 1629576] Re: Installing on btrfs raid1 root fails

[Phillip Susi]

*** This bug is a duplicate of bug 1354730 ***
    https://bugs.launchpad.net/bugs/1354730

** This bug is no longer a duplicate of bug 1629705
   Installing on btrfs raid1 root fails (with /boot partition)
** This bug has been marked a duplicate of bug 1354730
   14.04 grub-install failed: Wrong number of args: mapdevfs <path>

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https://bugs.launchpad.net/bugs/1629576

Title:
  Installing on btrfs raid1 root fails

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I created a mirrored btrfs volume in a VM for testing before
  installing:

  sudo mkfs.btrfs -f -m raid1 -d raid1 /dev/sda2 /dev/sdb2

  I then tried to install with ubiquity to one of the btrfs partitions
  (according to http://wiki.ubuntuusers.de/Installieren_auf_Btrfs-
  Dateisystem/ this is okay, a separate boot partition obviously not
  required, but these instructions may be outdated).

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.2
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  Uname: Linux 4.4.0-31-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CasperVersion: 1.376
  Date: Sat Oct  1 17:04:07 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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