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			 Enthusiast 
			
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				Database restore ignores some folders
			 
			
			
			I have a large library running on Windows 11. I also run the same library copied to a Linux Mint machine. The Linux version of Calibre reported quite a few issues with the library that didn't exist under Windows 11. So I ran a Database Restore on the Linux machine. This fixed all issues previously reported by Check Database, but it also reported 4 folders that were ignored. These 4 books were missing in the library (I guess that what it meant by "ignored"). Those 4 books exist in the portable drive I used to copy the library to the Linux machine. So I added the 4 books and everything works fine. However, when I run a Check Database, it reports the same 4 books as Extra Titles and wants me to delete them. 
		
	
		
		
		
		
		
		
		
		
		
		
	
	Why? What causes Calibre on Linux to ignore these 4 books during a Database Restore? I thought the library folder was cross-platform compatible: Linux, Mac, and Windows. There is nothing exceptional about these 4 books, very vanilla, no long filenames, etc...  
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		#2 | 
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			 Bibliophagist 
			
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			File name case sensitivity?
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#3 | 
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		#4 | 
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			 Well trained by Cats 
			
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			Have you tried using:  
		
	
		
		
		
		
		
		
		
		
		
		
	
	Quality Check Plugin: Fix: Check and rename book paths  | 
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		#5 | 
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			 creator of calibre 
			
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			The library folder is absolutely NOT cross platform. The only safe way to migrate your library is using the export and import tools. https://manual.calibre-ebook.com/faq...ter-to-another
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#6 | 
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			 Enthusiast 
			
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			Thanks Kovid, I'll try that.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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