Do I need to keep my xmp files after converting my raw files to dng?

I originally set up Lr to automatically build xmp files.  Recently, I decided to go with dng files and have converted all my raw files to dng.  Can I now delete all my xmp files and change my Lr setting so xmp files are no longer automatically produced?

WDKlein1000 wrote:
I think I've got this straight.  My goal is to keep the xmp data with the image file (embedded into the file in the case of dng files) as well as in the Lr catalog.  I still need to auto (or manually) save xmp files in order for Lr to save the xmp data internally to the dng file.  Right?
Perfectly right.
WDKlein1000 wrote:
I've been converting to dng after I have done my initial Lr processing of the raw files and the sidecar files have already been produced.  When I convert to dng, the side car files aren't automatically deleted.
I *think* if you say: do not delete previous raw, it keeps both xmp and original raw files. However, if you say: delete original raws upon conversion, it will delete both raw files and xmp sidecars. In other words, they are treated as a unit. So I suspect your raw files are not being deleted either, right? Note: if this is the case, then whenever you sync your folders, it's gonna wanna pull in all the original raws again. If it were me, rather than deleteing the xmp and leaving the sibling raws, I'd move both to a backup.
WDKlein1000 wrote:
I wonder if the sidecar files would ever be produced if I imported with the option to convert to dng and then wouldn't ever be editting the raw files?
They would not. If you know you are going to prefer DNG, it seems prudent to convert upon import.
WDKlein1000 wrote:
I know the sidecar files are relatively small, but I guess it wouldn't hurt to go back and delete them once the xmp data is embeded in the dng files.  Right?
Right again - delete away...
UPDATE: I didn't see AR's previous post when I wrote this, sorry for redundancy.
Rob

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