#Moving calibre library windows#
Treating a calibre library as if it were a saved-to-disk library has worked for me several times, (adding from a portableapps windows library to a linux library if I forget to save,) and it takes into account all metadata changes saved into the metadata.opf backups.Īll your info is now back - the settings saved in the config folder, the per-library settings in metadata_ db_prefs_ backup. (One book per directory, assumes each file is the same book in a different format). Use Add Books => Add books from directories. Now import all your books from the renamed folder. Open calibre, and go to Libraries => Library Maintenance => Restore Database. Even the data for the Overdrive link plugin, which unlike most plugins stores stuff in the database. and is backed up when calibre quits- basically, anything that IS stored per-library. json from the old library folder to the new one - this contains all the plugboards, custom columns, saved searches, virtual libraries, etc.
***Ĭopy the file metadata_ db_prefs_ backup. *** cross-library is not stored in the db and stayed safe anyway. *** All device settings, conversion choices, tweaks, general stuff that is *** Rename the broken library in the file explorer. There was nothing in the registry to clean (or at least, no more than the usual Windows crap.) Worst case scenario, rename the library and calibre won't find it. In fact, it didn't have any problems at all other than it was trying to read a mangled database and couldn't. Having Calibre function this way would be preferable.Ĭalibre wouldn't have been forever broken. These programs usually just open up with no content and then you can then reestablish the connection to the library through a file menu option. I have used other programs that use a library and have on occasion lost the connection to the library. If I did not have a backup copy of my library, I would never have been able to use Calibre again. If the restore function fails, please change the program to provide an option to open the program with no library, possibly in a way similar to how the program is opened for the first time. After successfully moving it, I promptly made a backup copy. At this point, I was able to use the option within the program to move the library where I wanted it. The restore function finally did work this time and Calibre opened. I finally decided to use a backup I had of the library and copied it back to the original location before moving it.
I was beginning to think I would never be able to use Calibre again. Evidently there was something left in the registry about the library that was never deleted when I uninstalled the program. After I reinstalled the program, the problem remained and it continued to unsuccessfully recover the library and would close without opening the program. I even tried uninstalling the program and used a registry cleaner to remove remnants the program. I tried to open it several times unsuccessfully. I closed Calibre and when I reopened it, I was presented an option to recover the library. At the time however, I moved the folder with a file manager and somehow also corrupted the "metadata.db" and "metadata_ db_prefs_ backup. I am now aware of the option to move a library within the program. I suppose that technically it is not a bug but there is a trap that can result in someone never being able to use Calibre again on the PC. I have found a problem with the Calibre program.
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