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Old 08-19-2015, 08:32 AM   #4
itimpi
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Posts: 4,553
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Join Date: Nov 2008
Device: Sony PRS-950, iphone/ipad (Marvin/iBooks/QuickReader)
Quote:
Originally Posted by BranMakMorn View Post
Damn, point n3 applies. I keep my Calibre Library inside the Google Drive folder, because 1) I want a constant backup and 2) I read my PDFs on an iPad, and I sync the book I need from Google Drive, do my annotations so that they then are automatically added to the file on my computer. It's strange tho, because I've used this system for years (for about 3 years I was on Sugarsync, then they decided to charge, so I moved to Google Drive about a year ago). Could it be just that?

But again, what mostly concerns me is: were are the 200+ books which now are just missing? if I order my Calibre library for file size I can easily see that I've got over 200 entries without a size. If i click view path some of them will be there (so why doesn't it see them?), but some are missing...
The problem is that under certain circumstance Google Drive will remove the number in brackets in the folders in the Calibre library. I think if you only ever sync one way things tend to be OK, but as soon as you start two-way sync then problems start to occur. I believe Google Drive expects numbers in brackets to be used for its own versioning system. In such circumstances when Google Drive removes or changes the number in brackets, Calibre loses track of the files that were in that folder. This may be what you are seeing in that the books are still on the disk but not in the folder where Calibre thinks they should be stored.

The process I mentioned should allow you to find and rectify such problems. I think someone also put together a program which could scan a Calibre library stored on Google Drive and correct cases where the number in brackets had been removed, but I do not have any link to it.

If you want to use a Cloud service for your Calibre library then something like Copy.com or OneDrive might be better choices. Note, however, that when using Cloud Services you must always make certain that you never have two instances of Calibre at different locations running against the same Calibre library or corruption will occur as Calibre is not multi-user aware in its current incarnation).
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