Can't export library or add book to device.

exodous · 10-01-2018, 08:08 AM

So I'm trying to back-up my library like I have done in on past installs but I don't get the options in the device drop-down to export and I tried to add a book to my nook and the 'send to device' option is greyed out when I have that book selected.

I'm running Linux, is it something to do with permissions? In the past Calibre has just worked. I installed Calibre from the instructions on the site and not through the repositories for my distro so I have the latest version.

Thanx,
Stan

EDIT: Oh yeah, I get this error when trying to save to disk: calibre, version 3.32.0
ERROR: Not allowed: You are trying to save files into the calibre library. This can cause corruption of your library. Save to disk is meant to export files from your calibre library elsewhere.

theducks · 10-01-2018, 03:11 PM

Quote:

Originally Posted by exodous

EDIT: Oh yeah, I get this error when trying to save to disk: calibre, version 3.32.0
ERROR: Not allowed: You are trying to save files into the calibre library. This can cause corruption of your library. Save to disk is meant to export files from your calibre library elsewhere.

That says it detected a Calibre Library structure in that flder.
As it says STD is not the way to back up a Library. Ever file is logged in the DB. If you change one, the DB becomes junk (AKA your Library (not the books) is toast )

STD should only save to a non-Library structure (NO folder names ending in (33) or Metadata.db )

BetterRed · 10-01-2018, 04:44 PM

Quote:

Originally Posted by exodous

So I'm trying to back-up my library like I have done in on past installs but I don't get the options in the device drop-down to export and I tried to add a book to my nook and the 'send to device' option is greyed out when I have that book selected.

I'm running Linux, is it something to do with permissions? In the past Calibre has just worked. I installed Calibre from the instructions on the site and not through the repositories for my distro so I have the latest version.

Thanx,
Stan

EDIT: Oh yeah, I get this error when trying to save to disk: calibre, version 3.32.0
ERROR: Not allowed: You are trying to save files into the calibre library. This can cause corruption of your library. Save to disk is meant to export files from your calibre library elsewhere.

A calibre library is just a directory containing a collection of subdirectories and files. Just use whatever tools you use to backup other data

See ==>> User Manual->FAQ->Miscellaneous->How do I backup calibre?

Many Linux users use rsynch to do backup/restores.

BR

Adoby · 10-02-2018, 08:50 AM

I backup my calibre libraries using tools external to calibre.

You have to treat a calibre library as an atomic object. That is, as a single entity that can't be split up. Otherwise the calibre library may become corrupt or loose track of books.

But you can still use tools like rsync. I like rsync, because it makes it possible to create versioned backups very fast and very compact, since only modifications has to be copied, and the versioned backups are in themselves atomic copies of a calibre library or libraries, even though the versions share copies of the book formats using hard links, to save space and speed up the sync.

It is even possible to automate the backups. This is how I do it:

https://www.mobileread.com/forums/sh...d.php?t=244228

That way I get a new fresh snapshot every time I use calibre. And each snapshot is small because only contains changes since last time. But still each snapshot is a full copy of all my calibre libraries, thanks to the magic of rsync and hard links.

exodous · 10-03-2018, 03:47 PM

I couldn't figure out how to do it so I just 'dd' copied my nook to my hard drive. When I copied them back I still had to re-download all the ones that I bought through B&N. I swear there was a way to just copy them in Calibre and when you put them back on the DRM ones were intact, I couldn't read them in my calibre library but when put back onto my nook they were fine.

Anyway, I just needed to do it because the update for my nook took up over half the space so I had to delete my books from it. It wasn't a big deal re-downloading 50+ books from B&N, I'm just always worried they won't have the book I bought and I'll just loose it.

10-01-2018, 08:08 AM	#1
exodous Junior Member Posts: 3 Karma: 10 Join Date: Oct 2018 Device: Nook Simple Touch with GlowLight (E Ink)	Can't export library or add book to device. So I'm trying to back-up my library like I have done in on past installs but I don't get the options in the device drop-down to export and I tried to add a book to my nook and the 'send to device' option is greyed out when I have that book selected. I'm running Linux, is it something to do with permissions? In the past Calibre has just worked. I installed Calibre from the instructions on the site and not through the repositories for my distro so I have the latest version. Thanx, Stan EDIT: Oh yeah, I get this error when trying to save to disk: calibre, version 3.32.0 ERROR: Not allowed: You are trying to save files into the calibre library. This can cause corruption of your library. Save to disk is meant to export files from your calibre library elsewhere. Last edited by exodous; 10-01-2018 at 08:13 AM.

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10-02-2018, 08:50 AM	#4
Adoby Handy Elephant Posts: 1,737 Karma: 26785684 Join Date: Dec 2009 Location: Southern Sweden, far out in the quiet woods Device: Samsung Galaxy Tab S8 Ultra	I backup my calibre libraries using tools external to calibre. You have to treat a calibre library as an atomic object. That is, as a single entity that can't be split up. Otherwise the calibre library may become corrupt or loose track of books. But you can still use tools like rsync. I like rsync, because it makes it possible to create versioned backups very fast and very compact, since only modifications has to be copied, and the versioned backups are in themselves atomic copies of a calibre library or libraries, even though the versions share copies of the book formats using hard links, to save space and speed up the sync. It is even possible to automate the backups. This is how I do it: https://www.mobileread.com/forums/sh...d.php?t=244228 That way I get a new fresh snapshot every time I use calibre. And each snapshot is small because only contains changes since last time. But still each snapshot is a full copy of all my calibre libraries, thanks to the magic of rsync and hard links.

10-03-2018, 03:47 PM	#5
exodous Junior Member Posts: 3 Karma: 10 Join Date: Oct 2018 Device: Nook Simple Touch with GlowLight (E Ink)	I couldn't figure out how to do it so I just 'dd' copied my nook to my hard drive. When I copied them back I still had to re-download all the ones that I bought through B&N. I swear there was a way to just copy them in Calibre and when you put them back on the DRM ones were intact, I couldn't read them in my calibre library but when put back onto my nook they were fine. Anyway, I just needed to do it because the update for my nook took up over half the space so I had to delete my books from it. It wasn't a big deal re-downloading 50+ books from B&N, I'm just always worried they won't have the book I bought and I'll just loose it.

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