Quote:
Originally Posted by dschnit1
I use a cloud backup service to continuously save all of my data on multiple hard drives. As a test, I restored my Calibre library and switched to the new file. It is recognized as a library but the latest entry is over a year old and all metadata is gone. The individual sub-directories for all the missing books appear to be there as are all (new and old) of the .opf files. What could cause this, and how can I fix it?
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What cloud backup service? What operating system? If not part of the cloud backup service, what program was used to create/restore the backup? Generally, the more information you give, the easier it is to give helpful answers.
One note is that you should never backup your calibre data while calibre is running. The results can be interesting.