Quote:
Thank you for your response. I am new to Calibre. I was advised to restore the library via:
Library > Library Maintenance > Restore Database
Question Where the metadata.opf file is located? When I performed the respore, I had only 2 files in the library (1) metadata_db_prefs_backup.json and (2) metadata.db
and after the restore, I found 3 files (1) metadata_db_prefs_backup.json, (2) metadata.db (3) metadata_pre_restore.db
I am running Calibre on an iMac, and I have TimeMachine running all the time. (1) If metadata.opf is located somewhere other than the library folder, I will try to restore a previous verison of it. The only other folder associated with Calibre on teh operating system that I am aware of is the configuration folder (shown in the screenshot). In that folder, I could not find a metadata.opf
https://ibb.co/SKPg6br
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Restore expects everything else (other than the corrupted DB) to be in the normal place.
there is a
metadata.opf is in
each books folder (and
cover.jpg). Those are the backup for that book metadata as shown in Calibre
Anything that tampers with the Library folder can corrupt. Only Calibre should make changes. The DB is the link between the entry and the files. Delays can allow a cart before horse condition, thus the rule of NOT on a Network storage.
BTW your screenshot is NOT of
Calibre Library (the typical folder where books are)