calibre doesn't recognize books on my kobo clara colour - Page 2

DNSB · 05-02-2025, 07:09 PM

For a while when one firmware version was causing my Sage to suffer from database corruption on 1 in 4 connections, I used NickelMenu to trigger a reboot before connecting and to reconnect without needing to unplug. The reboot time was worth the time needed to restore the database.

The key for me was that every time calibre reported database corruption, looking in the .kobo directory on the Sage, I saw <databasename>.sqlite-wal (write ahead logging) and <databasename>.sqlite-shm (shared memory) files. When the database is closed, these file would be removed so this told me was that the Sage was not closing the databases before the USB connection was established. The reboot forced the database to close.

roby67 · 05-03-2025, 04:27 AM

Quote:

Originally Posted by PeterT

Ah. I wonder if your books are being converted by calibre to kepub as opposed to the Epub you are accustomed too

Sent from my Pixel 7a using Tapatalk

I guess you are right.
When I send my books directly from Calibre, the format of the file is "title-author.kepub.epub".
When I send them via ADE, the format is "title-author.epub".

In the end, I prefer the kepub format, which is more comfortable. In any case, thank you for your help

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05-02-2025, 07:09 PM	#16
DNSB Bibliophagist Posts: 45,242 Karma: 168808723 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	For a while when one firmware version was causing my Sage to suffer from database corruption on 1 in 4 connections, I used NickelMenu to trigger a reboot before connecting and to reconnect without needing to unplug. The reboot time was worth the time needed to restore the database. The key for me was that every time calibre reported database corruption, looking in the .kobo directory on the Sage, I saw <databasename>.sqlite-wal (write ahead logging) and <databasename>.sqlite-shm (shared memory) files. When the database is closed, these file would be removed so this told me was that the Sage was not closing the databases before the USB connection was established. The reboot forced the database to close.