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Spontaneous file updates ...

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Keith Edmonds

Keith Edmonds

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Premium Classic Member
Joined
Jul 11, 2017
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Lightroom Experience
Intermediate
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Lightroom Version Number
Lightroom Classic version: 8.3.1
Operating System
  1. 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 ...
 
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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.
 
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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?
 
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That setting will cause any change to metadata, keywords or IPTC fields, etc. to be written into all of those files and thereby trigger the backup, even if you did not edit the image.

-louie
 
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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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