[Bug 1771393] Re: 18.04 Server "Whole Disk" option does not allow LVM

[Wes Deviers]

Actually, it appears this installer variant won't install to LVM at all,
even if you precreate the LV.

** Package changed: debian-installer (Ubuntu) => subiquity

** Changed in: subiquity
       Status: Confirmed => New

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Title:
  18.04 Server "Whole Disk" option does not allow LVM

Status in subiquity:
  New

Bug description:
  This is a feature request/WISHLIST item AND a bug report

  FEATURE REQUEST:
  It's pretty common (at least here) for us to format VM images with full-disk ("whole disk") LVM.  Normally we have to drop to a shell and preconfigure that beforehand so I was super excited to see the new "Whole Disk" option in the new-style installer.

  However, it doesn't have "LVM Physical Partition" as an option.  I'm
  genuinely puzzled by this because I would think it's an extremely
  common pattern. I must be wrong.

  We would really appreciate it if the default installer supported
  whole-disk LVM physical partition.  Also, considering how different
  the interface is, this might not even be a d-i request any more but it
  seems likely.

  To clarify, this is the installer equivalent of a 'pvcreate /dev/sdb',
  whereas the current workflow only supports a 'pvcreate /dev/sdb1'.
  Using full disk LVM PV's makes expansion of disk (either iSCSI, VMDK,
  etc) trivial.

  BUG:

  Please see attached screenshot.  Even after pre-creating LVM lv's
  (which is the normal way of handling this case), the installer does
  not allow selection of those lvs as "partitions" for an install
  target.

  SORRY:
  I now realize this is a known issue as per https://wiki.ubuntu.com/BionicBeaver/ReleaseNotes#Server_installer

  however making the default install option for a *server* release not
  support LVM seems...suboptimal.

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