Just Curious: What Happened to the Metadata Files (?)

johnelle · 04-28-2025, 05:50 AM

Noticed that sometime in the last version or two there is no longer a metadata file created for newly loaded books(?) Older books still have the separate files.

Are they now in some db? Just curious because I want to back it up if there is such a new critical file to be keep in a safe place.

(Yes I confess I am one of those unsupported users who keeps all my books on a NAS with the database on one desktop shared out and backed up to the NAS..no scolding please. Been doing it for years and all my books are sitting on a RAID 5 with nightly backup)

kovidgoyal · 04-28-2025, 07:05 AM

Nope no changes to that. You can see the status of current backups via the library maintenance menu.

johnelle · 04-29-2025, 06:11 AM

Just to be clear my setup is:

1. The "library" is stored on a NAS which is configured as a RAID-5 with a local external backup of the whole NAS weekly to an attached external drive.

2. The DB is stored on a Windows desktop and shared to other devices that want to access the library using the Location environmental.

3. The DB is backed up to the NAS via a nightly batch job on the desktop.

Unsupported but it is working for me. For quite a few years actually.

Not sure why am not seeing the metadata files but since everything is working I am not bothering to investigate.

04-28-2025, 05:50 AM	#1
johnelle Zealot Posts: 121 Karma: 2137668 Join Date: Mar 2015 Location: Groton, MA Device: Kindle app on Samsung Tab	Just Curious: What Happened to the Metadata Files (?) Noticed that sometime in the last version or two there is no longer a metadata file created for newly loaded books(?) Older books still have the separate files. Are they now in some db? Just curious because I want to back it up if there is such a new critical file to be keep in a safe place. (Yes I confess I am one of those unsupported users who keeps all my books on a NAS with the database on one desktop shared out and backed up to the NAS..no scolding please. Been doing it for years and all my books are sitting on a RAID 5 with nightly backup)

04-29-2025, 06:11 AM	#3
johnelle Zealot Posts: 121 Karma: 2137668 Join Date: Mar 2015 Location: Groton, MA Device: Kindle app on Samsung Tab	I see.. Just to be clear my setup is: 1. The "library" is stored on a NAS which is configured as a RAID-5 with a local external backup of the whole NAS weekly to an attached external drive. 2. The DB is stored on a Windows desktop and shared to other devices that want to access the library using the Location environmental. 3. The DB is backed up to the NAS via a nightly batch job on the desktop. Unsupported but it is working for me. For quite a few years actually. Not sure why am not seeing the metadata files but since everything is working I am not bothering to investigate.

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04-28-2025, 07:05 AM	#2
kovidgoyal creator of calibre Posts: 45,618 Karma: 28549044 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Nope no changes to that. You can see the status of current backups via the library maintenance menu.

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