[Bug 420080] Re: Configure encrypted volumes destroys existing data

[Colin Watson]

On Mon, Sep 12, 2011 at 08:00:03AM -0000, Jochen Gruse wrote:
> thanks for your work on this! Unfortunately, there's a problem with the
> nightly alternate Kubuntu oneiric images (installer can't load kernel
> modules), so I can only report that yes, the "Activate existing volumes"
> option is there and asks for the passphrase to the existing crypto
> partition. Opening the partition fails because of missing modules, I
> presume.

Hmm.  I did see something like this a while back but thought I'd fixed
it.  Could you extract /var/log/syslog from the running installer after
this failure (you can use "Save debug logs" from the main menu, or else
run 'anna-install openssh-client-udeb' and then scp it somewhere) and
attach it here?

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https://bugs.launchpad.net/bugs/420080

Title:
  Configure encrypted volumes destroys existing data

Status in Release Notes for Ubuntu:
  Fix Released
Status in “partman-crypto” package in Ubuntu:
  Fix Released
Status in “partman-crypto” source package in Natty:
  Won't Fix
Status in “partman-crypto” source package in Oneiric:
  Fix Released
Status in “partman-crypto” package in Debian:
  New

Bug description:
  Binary package hint: debian-installer

  I was running Ubuntu 8.10 32-bit, with an encrypted partition and LVM.
  I went to install Ubuntu 9.04 64-bit, hoping to reuse the same LVM
  volumes, just replacing the volume for /, leaving /home and so on
  intact.

  I fired up the 9.04 installer, got to partitioning. I chose manual,
  saw my two partitions listed, both marked "do not use". I activated
  the second partition and chose "physical volume for encryption". Now
  to see the data, I selected "Configure encrypted volumes". At this
  point a message appears asking me if I'm happy with the partitions, I
  choose yes, I'm asked for an encryption passphrase, I enter it, twice.
  At this point, I'm suspicious, I reboot to my existing 8.04
  installation. My encrypted partition has been completely destroyed,
  there is no LVM available and no data.

  The text in the installer should make it absolutely clear that when
  you choose yes at the "Configure encrypted volumes" option, this will
  destroy any encrypted data on the partition.

  Thankfully I had sufficient backups. What seemed like a routine
  install actually destroyed all my data. :-(

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