Quote:
Originally Posted by Fbone
Apparently. The program I use now has no such requirement.
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The program you're using now is behaving in an unsafe manner; it's evidently simply getting a read lock, and not an exclusive lock, on the files it's trying to copy, and when backing up a SQL database such as the one that Calibre uses this is dangerous, because you could well be backing up the file with potentially uncommitted data. This is the same issue that causes people to end up with a corrupted Calibre database if they put Calibre on a network drive.
SyncToy is behaving absolutely correctly in telling you "I can't back up this file - some other application has opened it.". You really should heed its warnings, not regard them as a problem. In all honesty, I would not trust whatever backup tool you're now using if it's behaving in the manner that you describe. Your backed-up data may very well be corrupt.
Trust me - I do this stuff for a living.