But there is no way to distinguish between file corruption and a
legitimate change. All you can do is keep old backups for a few days or
weeks and hope that you detect the file corruption before the backup
rotation deletes all the good copies.
Christian Hecht wrote:
This can minimize the risk, but if you don't need the corrupted file
actually, you can't detect that it is corrupted.
The corrupted file will be copied to a newer backup folder.
If you delete the old backups due to rotation, at any time the backup is
worthless because it only contains the corrupted copy.
So some mechanism is needed to detect corrupted files before copying to
the backup.
Best regards
Christian
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