On Thu, Jun 22, 2017 at 07:29:18AM -0400, Chris Laprise wrote:
> On 06/21/2017 08:46 PM, 'Essax' via qubes-users wrote:
> >I upgrade my Debian-8 template with /sudo apt-get dist-upgrade.  /The
> >only//problem I had after the upgrade was my vault-appvm was emply when
> >I launched it. I searched through every directory trying to find my data
> >base with no luck.
> >
> >Fortunately I was able to follow the instructions in the  Qubes
> >Documentation <https://www.qubes-os.org/doc/software-update-vm/> and
> >roll back the changes to my TemplateVM. Once I did that my vault data
> >base was back to normal. If this happens to you and you want to revert
> >the changes to your Debian-8 TemplateVM you would type this command in
> >your Dom0 terminal.
> >
> >/qvm-revert-template-changes/ debian-8
> >
> >Please note It requires that all AppVMs based on this template be halted
> >during this operation.
> >
> >
> >For the technical details about how this command works and the steps it
> >performs, see here
> >
> >Obviosly another solution would be to restore from backups or download a
> >new TemplateVM.  Just be aware if your vault-appvm is based off debian
> >to cautious if your /dist-upgrade/
> 
> This seems to indicate a nasty bug in the Debian 8 code that checks and
> mounts the private.img. If you wish to use current releases you could try
> Debian 9 instead; I have been using it for about a year without such issues.
> 
> Only catch is you currently have to follow the Qubes doc for upgrading a
> Debian 8 template to 9.
> 

yes, I'd be far more worried about the absence or 'disappearance' of
the database.
I don't believe there's anything in the "Debian 8 code" that would be
responsible for this. Principally because I've successfully transitioned
to Stretch on a number of machines without losing the keepass data.
It would be useful if you could clone your vault and Debian-8, and
repeat the operation. That will give you a chance to do some research
without risking your data at all. As Chris suggests, focussing on what
is mounted would be a good start.

unman

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