After upgrade cannot open external drive

[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.
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