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#1 |
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I want to backup my Calibre library to my Google Drive account, and I understand that Google Drive can cause problems for Calibre libraries.
I have kept my Calibre library in a folder that is synced to OneDrive for the past couple of years. However, I've grown tired of the persistent glitches in Microsoft products, particularly the way Outlook loses my emails, so I want to transfer my online storage to Google Drive for easier compatibility with Gmail. Is there a safe way to backup my Calibre library to Google Drive? If I use the Google Drive app to sync the Calibre folder from my computer will that corrupt it? Scrivener has a system that will allow you to backup a zipped file. Would a zip file be less susceptible to corruption? Is there a way to set that up with Calibre? Last edited by Ezra; 02-04-2025 at 04:36 AM. Reason: I forgot part of the question |
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#2 |
Grand Sorcerer
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It's only safe if you zip your whole library up and save it as a .zip file. Keeping your unzipped library in Google Drive will corrupt it.
There's no way to do that automatically from within calibre. You'll just have to do it manually. If you want to use file syncing tools, then Dropbox + FreeFileSync creating and updating a mirror copy of your library is one option. Not Google Drive. And never use two-way sync or keep any syncing tools running on your active library. Close calibre first, then run the sync. Last edited by Sirtel; 02-04-2025 at 05:56 AM. |
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#3 | |
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#4 |
Reading till the spring
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And Google scans the uploaded content for their AI. Use encrypted ZIP.
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#5 | |
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#6 | |
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#7 |
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#8 |
null operator (he/him)
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I've used calibre for 10+ years. since day one I've done incremental backups of its data (libraries, as of today 10, and its config) to a USB attached drive on a daily basis. And an over the wire disaster recovery copy on a weekly basis, initially to a commercial FTP server and since that left town to Onedrive. I've been using GoodSynch to backup all my data since 2007.
I have never needed to restore an entire library (not even my shambolic much abused Test library), I've only ever needed to restore a 'book' folder or a book's format file because of a blunder on my part. And I do it using the calibre GUI… the backup is a calibre library, so I can use Copy to Library to restore a 'book' and Add files to selected book records to restore a format file. Using archive formats like ZIP/TAR/7Z/RAR etc for backing up data is a remnant of the 20th century. Just for fun I created a max compression RAR4 of 35 video clips who total size was 2,344,850,345 bytes. The archive is 2,328,232,052 byte, a saving of 16,618,293 - less than 1%. Firstly, why would I bother. Secondly, if I add a 36th clip what then, do I create another 2.5Gb archive and copy that wherever. BR Last edited by BetterRed; 02-04-2025 at 09:00 PM. |
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#9 |
Grand Sorcerer
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The problem is, the OP wants to keep their backup on Google Drive and they cannot do that without zipping the library up. GD will corrupt the library otherwise.
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#10 |
null operator (he/him)
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"You can't always get what you want" - Richards and Jagger 1969
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#11 | |
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For a backup, I'm not seeing what "compatibility with gmail" benefit there is, so you might think about considering other cloud services for your backup. |
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cloud storage, google drive, zip files |
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