[Bug 1383948] Re: Ubiquity Installer doesn't recognize existing btrfs partitions

[Phillip Susi]

btrfs is not intended to be used this way any more than any other
filesystem, which is to say not at all.  If you intend to boot from that
drive it *must* have a partition table to boot.  If you insist on using
a data disk this way ( and there really is no reason to -- are you
really going to miss that 1 mb of space the partition table takes up? ),
I believe this problem was due to some bugs in parted that were fixed in
14.10.  Can you try that and confirm whether it has fixed this?


** Changed in: ubiquity (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1383948

Title:
  Ubiquity Installer doesn't recognize existing btrfs partitions

Status in “ubiquity” package in Ubuntu:
  Incomplete

Bug description:
  Steps to reproduce the bug:
  On a machine with an existing raw btrfs partition (no partition table, just raw btrfs to disk as btrfs is intended to be used)
  (created with sudo mkfs.btrfs /dev/sdc)
  From the 14.04.1 LTS live USB
  open a terminal
  scan for btrfs partitions using:
    sudo btrfs device scan
  then view the partition and data usage with
    sudo btrfs filesystem show
  The device is shown
  Label: none  uuid: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxxx
  	Total devices 1 FS bytes used 37.71GiB
  	devid    2 size 223.57GiB used 40.03GiB path /dev/sdc
  Start the Ubuntu Ubiquity Installer by clicking on the icon in the launcher
  Choose Download Updates and install Fluendo then
  Next
  Then choose Do Something Else, Choose partitions manually
  Scroll down to /dev/sdc
  The Ubiquity Partition manager doesn't recognize the btrfs disk/volume and just says free-space (see screenshot with proof)

  What should happen:
  At the partition screen it should recgonize my existing btrfs volume and let me reinstall without formating the btrfs volume

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