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Old 09-30-2023, 11:30 AM   #1
Moogwi
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Unhappy Unable to backup
Bug description:
Unable to backup Calibre on external SSD (2To free)
Failed with message:
Traceback (most recent call last):
File "calibre/gui2/dialogs/exim.py", line 139, in run_action
File "calibre/utils/exim.py", line 204, in export
File "calibre/db/cache.py", line 85, in call_func_with_lock
File "calibre/db/cache.py", line 2965, in export_library
File "calibre/utils/exim.py", line 135, in add_file
File "calibre/utils/exim.py", line 36, in send_file
OSError: [Errno 27] Fichier trop gros
"Fichier trop gros" means File too big

DB Calibre is 100Go big

lsb_release -a
Distributor ID: Debian
Description: Debian GNU/Linux 12 (bookworm)
Release: 12
Codename: bookworm
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Old 09-30-2023, 03:17 PM   #2
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Old 09-30-2023, 08:55 PM   #3
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How is the external SSD formatted? FAT32? ext3 or ext4? ExFAT? Other format? If FAT32, remember that the maximum file size on a FAT32 volume is 4GiB (4,294,967,296 bytes).
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Old 09-30-2023, 10:12 PM   #4
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I don't use the library Export feature for backup, but if I did, and assuming it's possible, I would exclude the full-text-search.db file. It can be rebuilt easy enough if you have to do a restore.

BR
Last edited by BetterRed; 09-30-2023 at 10:23 PM. Reason: added 'for backup'
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Old 09-30-2023, 11:14 PM   #5
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Are you saying your metadata.db file is 100GB? If so how on earth did that happen?
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Old 10-01-2023, 01:25 AM   #6
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Quote:
Originally Posted by kovidgoyal View Post
Are you saying your metadata.db file is 100GB? If so how on earth did that happen?
and I thought my 250 MB file was too large, lol.
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Old 10-01-2023, 03:24 AM   #7
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Keeping the entire contents of the books in a long-text column, maybe? lol
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Old 10-01-2023, 03:32 AM   #8
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Quote:
Originally Posted by kovidgoyal View Post
Are you saying your metadata.db file is 100GB? If so how on earth did that happen?
not metadata.db but this:
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Old 10-01-2023, 04:40 AM   #9
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That doesnt matter, the export writes individuals files at a time separately (well grouped in upto 1GB sized blocks). So as long as no individual file is not too large it no single file will be too large. So that error actually means something else. Make sure your ssd has a decent filesystem like ext4.
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Old 10-01-2023, 05:54 AM   #10
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Have you run Library Maintenance on those libraries. That clears out old deleted records from the db
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Old 10-01-2023, 10:18 AM   #11
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Quote:
Originally Posted by kovidgoyal View Post
That doesnt matter, the export writes individuals files at a time separately (well grouped in upto 1GB sized blocks). So as long as no individual file is not too large it no single file will be too large. So that error actually means something else. Make sure your ssd has a decent filesystem like ext4.
I think you 're right, FS was vfat

Thx a lot

This thread can be closed
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Old 10-01-2023, 06:06 PM   #12
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