How to check all the photos to avoid file errors before backup?

[marcello_cruz]

Hi all. Recently I upgraded my SATA 2TB Hard Disk to a NMVe 2TB to use on Lightroom Classic. I always have a mirrored backup of all my photos, synced with the drive origin. Some days ago I tried to open one file and I got a exclamation icon saying that the file is corrupt. Unfortunately I don't have the original files on the Hard Disk before copied to the NMVe. I only have the backup from the NMVe, so my backup has the file corrupted too. Maybe the problem is the NMVe hardware, but my question is simple:

There is a way to select all files from a folder and check if it is corrupted or not? Inside the Lightroom Classic? Generating previews? Or a simple way is available? Just wanna check to see what is corrupted from my catalog.  Thanks!
 

[dj_paige]

I am not aware of any way to check for corrupted files in Lightroom Classic, other than manually scrolling through your photos and looking for this icon.

[Ian Lyons]

It's not much help to you, but LrC can do an integrity check on DNG files (Library > Validate DNG Files). Unfortuentely, this isn't possible with proprietary raw files.

[Bob Somrak]

If you recreate the 1:1 previews it would have to read the RAW data.  If LrC can not create the preview than the file is corrupt.  

[Lumigraphics]

Or you could just look at everything in a file viewer like Bridge. That might be easiest.

[marcello_cruz]

Thanks for all. I think the best way will be generating previews. Not smart, but is what we have. Thanks!