Corrupted files

speakingtohe · 08-20-2010, 02:39 AM

I had moved my Calibre database to an external hard drive to copy it to another laptop.
This is an older 500 gig HD but I had no previous problems with it.
I did the copy to the other computer with no problems AFAIK and then continued on adding books and editing metadata

Yesterday I started to get read errors on external HD.

I copied files from HD to laptop HD with no errors but many books are corrupted.

Any suggestions as to how to find out how many are corrupted?
I tried save to disk but it just saves them corrupted or not
I am not in dire straights as I hopefully have a fairly recent backup but don't really want to redo editing etc. if avaoidable.

Thanks for any input good news or bad.

Helen

.

kovidgoyal · 08-20-2010, 11:46 AM

There's no way to do this within calibre. the best way is to use a binary compare program comparing files from your backup and the current library and copying over files from the backup that are different (excluding metadata.db)

speakingtohe · 08-20-2010, 04:31 PM

Thanks for the reply
I have just gone back to my backup as random checking indicated a lot are corrupted
Helen

08-20-2010, 02:39 AM	#1
speakingtohe Wizard Posts: 4,812 Karma: 26912940 Join Date: Apr 2010 Device: sony PRS-T1 and T3, Kobo Mini and Aura HD, Tablet	Corrupted files I had moved my Calibre database to an external hard drive to copy it to another laptop. This is an older 500 gig HD but I had no previous problems with it. I did the copy to the other computer with no problems AFAIK and then continued on adding books and editing metadata Yesterday I started to get read errors on external HD. I copied files from HD to laptop HD with no errors but many books are corrupted. Any suggestions as to how to find out how many are corrupted? I tried save to disk but it just saves them corrupted or not I am not in dire straights as I hopefully have a fairly recent backup but don't really want to redo editing etc. if avaoidable. Thanks for any input good news or bad. Helen .

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08-20-2010, 11:46 AM	#2
kovidgoyal creator of calibre Posts: 43,826 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	There's no way to do this within calibre. the best way is to use a binary compare program comparing files from your backup and the current library and copying over files from the backup that are different (excluding metadata.db)

08-20-2010, 04:31 PM	#3
speakingtohe Wizard Posts: 4,812 Karma: 26912940 Join Date: Apr 2010 Device: sony PRS-T1 and T3, Kobo Mini and Aura HD, Tablet	Thanks for the reply I have just gone back to my backup as random checking indicated a lot are corrupted Helen

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