After upgrade cannot open external drive

[Maik Qualmann]

Editing the database manually is no longer necessary. There is an update 
button in the digiKam collection settings. This also updates the current 
partition UUID.

https://docs.digikam.org/en/setup_application/collections_settings.html

Maik

Am Samstag, 14. Oktober 2023, 17:34:27 CEST schrieb William Allen:
> You don’t need to do that. The problem is that every time the Mac has
> a system update the uuid of the main drive changes. Why? No idea -
> it’s just the kind of fun apple likes to have with us I guess.
> 
> The solution, as kludgy as it may be is:
> 
> Prerequisites: You need to install sqlite3 to be able to manipulate your
> existing database.
> 
> Steps:
> 
> 1. Run your disk utility program. Note the uuid of the drive. To get it,
> click on the Macintosh HD line, then the uuid is in the lower right
> side.
> 2. Cd into the directory where your digikam.db is located.
> 3. sqlite3 digicam.db
> 4. select identifier from AlbumRoots where id = 1;
> 5. Now you’ll see the value you need to change. You’ve got to make
> the uuid value be what you found in step 1.
> 6. update AlbumRoots set identifier = 'volumeid:?uuid=<value from step
> 1> where id = 1;
> 7. Note that you don’t include the brackets in the above command.
> 
> I’ve been following this process every time. There is a proposed
> solution, but it isn’t yet implemented.
> 
> Regards,
> Bill
> 
> On 13 Oct 2023, at 9:04, Mark Simon wrote:
> > I ended up deleting Digikam and re-installing and building the
> > database from scratch.
> > 
> >> On Oct 13, 2023, at 12:21 AM, Sebastian Beer
> >> <sebastian.beer66 at icloud.com> wrote:
> >> 
> >> Did you try removing the collection and re-adding it?
> >> 
> >> Mit freundlichen Grüßen,
> >> 
> >> Sebastian Beer
> >> 
> >>> Am 12.10.2023 um 23:57 schrieb Mark Simon
> >>> <mark.simon at sbcglobal.net>:
> >>> 
> >>> I upgraded Digicam from version 7.x to version 8.1.0 on my mac
> >>> running 12.6.7 Monterey. My database is there but my photos are not.
> >>> In the Preferences under Collections I see my collection listed
> >>> under “Collections on Removable Media” with the right path
> >>> /Volumes/MyDrive/Pictures. When I try to browse the path again I get
> >>> the error “The selected folder does not exist or is not
> >>> readable”. I checked that Digicam has Full Disk Access in Mac
> >>> Security settings.