persistent property store - first try

Kay Sievers kay.sievers at
Wed Jun 23 16:54:16 PDT 2004

On Sat, 2004-06-12 at 23:37 +0200, David Zeuthen wrote:
> On Sat, 2004-06-12 at 22:24, Kay Sievers wrote:
> > Fine, using the whole chain for the udi is much better than the major/
> > minor thing. 
> > But it would be really nice if a external drive with both, a USB and
> > FireWire connector is can be recognized as the same thing regardless of
> > the bus used. All hard disks have serial numbers, can't we use these? 
> > 
> I'm not sure they got serial numbers, no. In fact I think the existing
> properties (such as vendor, model) change dependent on the connection
> type, but I'm not sure as I yet have to get my external HDD enclosure to
> work with Firewire on Linux 2.6; it works great with USB2 though. It
> also works great with Firewire on both WinXP and Mac OS X.
> > And if we find a label on a partition, we can use it and you can insert
> > your CF card in a different reader too :)
> > 
> Yeah, but this might be dangerous, my Canon camera labels my CF cards as
> CANON_DC when formatting it and I got two of them :-)

Just checked it now with my IXUS and every reformat by the camera
itself, creates a new msdos-uuid on the partition :)


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