Re: [Tracker] Prevent removed files from being removed from the db

[Philip Van Hoof <spam pvanhoof be>]

On Mon, 2010-05-17 at 13:23 -0400, Nikolaus Rath wrote:
> Philip Van Hoof <spam-+mS4aLmNmLKG5XvV6lv2jw public gmane org> writes:
> > On Mon, 2010-05-17 at 10:07 -0400, Nikolaus Rath wrote:
> > > Hello,
> > >
> > > I want to store lots of (valuable) additional metadata about my files in
> > > the tracker database.
> > >
> > > However, I am a little bit concerned about the safety of this
> > > information. Apparently, tracker deletes everything that is associated
> > > with a given file if it can't find the file itself.
> >
> > > Is there a way to make tracker keep all the information in the database,
> > > even if the file temporarily disappears?
> >
> > This is not possible, for file (system) resources
> >
> > > I'm worried about network failures, disconnected external drives,
> > > accidental renames of the directory etc.
> >
> > Disconnected external drives are handled,
>
> How can Tracker (reliably) detect if a resource is on an external drive?
> I can't believe that this works for anything but the trivial case where
> /dev/sdX is directly mounted. But if the disk is e.g. LUKS encrypted,
> then there's already a device mapper in between. It get's even worse
> with all the possibilities that FUSE and bind mounts offer.

HAL (or devicekit) has a unique ID for each removable device. We detect
and use this unique ID for this purpose.

If you can't believe this, why don't you try it?

Cheers,

Philip

-- 


Philip Van Hoof
freelance software developer
Codeminded BVBA - http://codeminded.be