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Spontaneous file updates ...

Joined
Jul 11, 2017
Messages
3
Lightroom Experience
Intermediate
Lightroom Version
Lightroom Version
Lightroom Classic version: 8.3.1
Operating System
Windows 10
Any ideas? I backup my PC on a regular basis to various external drives. When I ran a backup this morning, I anticipated it would complete in a few minutes as little had changed since the last backup. A couple of hours later, it is still running!

Further investigation shows that approx 5,000 files have been 'spontaneously updated' with the date last amended updated to around 19:45 hours last Friday. These files are mainly tif, xmp & jpg files. As I use 'incremental backups', these files are being treated as 'updated since the previous backup' and replaced on the backup media - hence the lengthy time taken. I believe they are all in a single folder / sub folders structure (looks like it but haven't yet checked every folder).

Any thoughts on what might have caused this? I use Photoshop and Lightroom CC. I recall a Windows update last week and a Photoshop update, but nothing obvious went wrong that I can see.

I have seen others with a similar generic issue (web search) who pointed the finger at Windows, but I am yet to find a solution.


Posting here for help and just in case it might have been caused by syncing folders / metadata or requesting a 'backup' when closing down Lightroom ...

Any ideas welcomed ...
 
Joined
Jun 20, 2009
Messages
14,487
Location
Houston, TX USA
Lightroom Experience
Power User
Lightroom Version
Classic 8
If you have set "Automatically write changes XMP" to "ON" in Catalog Preferences, or issue the {CMD/CNTL}{S} while these files were selected, then the XPM section of these files was updated and this will cause your backup app to backup copies of the changed files.
I suspect some variant of the above is what has happened to you.
 
Joined
Jul 11, 2017
Messages
3
Lightroom Experience
Intermediate
Lightroom Version
Many thanks ... I don't recall changing that setting, but that doesn't mean I didn't!! Would that effect occur even if the file 'content' hadn't been changed? Would it also affect jpg and tif files?
 
Joined
Jul 11, 2017
Messages
3
Lightroom Experience
Intermediate
Lightroom Version
Thanks to those who have taken the trouble to reply - much appreciated. The parameter mentioned is 'ON', so I must have changed it causing this effect.
 
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