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Dropbox backup freeze on placeholder.aep

bvckupguy :

Mar 24, 2021

I use Bvckup2 to back up my local dropbox folder to a local external hard drive.

It persistently freezes at the same point which is the Dropbox placeholder file for the .aep extention.

bvckupguy :

Mar 24, 2021

In fact looking at the logs it appears that the placeholder files in general case the problem:

2021.03.24 09:28:49.323 (UTC+4) 2 2         1. Updating file .dropbox.cache\marker_file
2021.03.24 09:28:49.323 (UTC+4) 3 3             Details
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Source: 0 bytes, created 2021.03.24 09:25:09.725, modified 2021.03.24 09:25:09.725, archive
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 0 / 132610371097257283 / 132610371097257283 / 00000020
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Backup: 0 bytes, created 2021.03.23 16:37:24.270, modified 2021.03.23 16:37:24.270, archive
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 0 / 132609766442702783 / 132609766442702783 / 00000020
2021.03.24 09:28:49.663 (UTC+4) 3 3             Completed in 339 ms, empty file
2021.03.24 09:28:49.323 (UTC+4) 2 2         2. Updating file .dropbox.cache\qebcobkqbgpbzfynfuwbof\placeholder.bin
2021.03.24 09:28:49.323 (UTC+4) 3 3             Details
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Source: 1024 bytes, created 2021.03.24 09:25:03.536, modified 2021.03.24 09:25:03.536, archive / sparse reparse offline
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 1024 / 132610371035368530 / 132610371035368530 / 00001620
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Backup: 1024 bytes, created 2021.03.23 16:27:21.361, modified 2021.03.23 16:27:21.361, archive / sparse offline
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 1024 / 132609760413612374 / 132609760413612374 / 00001220
2021.03.24 10:25:40.373 (UTC+4) 0 3             Error: path not found
2021.03.24 10:25:40.373 (UTC+4) 3 4                 CreateFile() failed with 3
2021.03.24 10:25:40.373 (UTC+4) 3 5                     Context: \\?\D:\Dropbox\.dropbox.cache\qebcobkqbgpbzfynfuwbof\placeholder.bin 80000000 00000003 00000003 4a000000
2021.03.24 09:28:49.323 (UTC+4) 2 2         3. Updating file .dropbox.cache\qebcobkqbgpbzfynfuwbof\placeholder.ai
2021.03.24 09:28:49.323 (UTC+4) 3 3             Details
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Source: 1024 bytes, created 2021.03.24 09:25:03.530, modified 2021.03.24 09:25:03.530, archive / sparse reparse offline
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 1024 / 132610371035308463 / 132610371035308463 / 00001620
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Backup: 1024 bytes, created 2021.03.23 16:27:21.355, modified 2021.03.23 16:27:21.355, archive / sparse offline
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 1024 / 132609760413552319 / 132609760413552319 / 00001220
2021.03.24 10:25:40.373 (UTC+4) 0 3             Error: path not found
2021.03.24 10:25:40.373 (UTC+4) 3 4                 CreateFile() failed with 3
2021.03.24 10:25:40.373 (UTC+4) 3 5                     Context: \\?\D:\Dropbox\.dropbox.cache\qebcobkqbgpbzfynfuwbof\placeholder.ai 80000000 00000003 00000003 4a000000
2021.03.24 09:28:49.323 (UTC+4) 2 2         4. Updating file .dropbox.cache\qebcobkqbgpbzfynfuwbof\placeholder.csv
2021.03.24 09:28:49.323 (UTC+4) 3 3             Details
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Source: 1024 bytes, created 2021.03.24 09:25:03.543, modified 2021.03.24 09:25:03.543, archive / sparse reparse offline
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 1024 / 132610371035438585 / 132610371035438585 / 00001620
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Backup: 1024 bytes, created 2021.03.23 16:27:21.383, modified 2021.03.23 16:27:21.383, archive / sparse offline
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 1024 / 132609760413832571 / 132609760413832571 / 00001220
2021.03.24 10:25:40.373 (UTC+4) 0 3             Error: path not found
2021.03.24 10:25:40.373 (UTC+4) 3 4                 CreateFile() failed with 3
2021.03.24 10:25:40.373 (UTC+4) 3 5                     Context: \\?\D:\Dropbox\.dropbox.cache\qebcobkqbgpbzfynfuwbof\placeholder.csv 80000000 00000003 00000003 4a000000
2021.03.24 09:28:49.323 (UTC+4) 2 2         5. Updating file .dropbox.cache\qebcobkqbgpbzfynfuwbof\placeholder.bmp
2021.03.24 09:28:49.323 (UTC+4) 3 3             Details
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Source: 1024 bytes, created 2021.03.24 09:25:03.538, modified 2021.03.24 09:25:03.538, archive / sparse reparse offline
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 1024 / 132610371035388547 / 132610371035388547 / 00001620
2021.03.24 09:28:49.323 (UTC+4) 3 4                 Backup: 1024 bytes, created 2021.03.23 16:27:21.376, modified 2021.03.23 16:27:21.376, archive / sparse offline
2021.03.24 09:28:49.323 (UTC+4) 3 5                     Raw: 1024 / 132609760413762507 / 132609760413762507 / 00001220
2021.03.24 10:25:40.373 (UTC+4) 0 3             Error: path not found
2021.03.24 10:25:40.373 (UTC+4) 3 4                 CreateFile() failed with 3
2021.03.24 10:25:40.373 (UTC+4) 3 5                     Context: \\?\D:\Dropbox\.dropbox.cache\qebcobkqbgpbzfynfuwbof\placeholder.bmp 80000000 00000003 00000003 4a000000

Alex Pankratov :

Mar 24, 2021

That's ultimately a Dropbox issue, it can't be _fixed_ on the bvckup's end. It can however be worked around.

The program supports a form of "opportunistic" backup, whereby it will back up a file IF it's available and skip the update otherwise, including the case of offline files.

See here - https://bvckup2.com/support/forum/topic/1245

bvckupguy :

Mar 24, 2021

Thank you Alex, I was worried something like this would be the problem.

Please tell me if I am correct in the following: I have my local dropbox set to sync _everything_ locally. So in theory it's only these placeholder files that should ever be skipped?

Alex Pankratov :

Mar 24, 2021

I am not familiar with Dropbox, not in detail, and I don't know what these placeholder files are. But in theory if a file is locally present, it should not have any of the "offline" attributes and it should be backed up regularly.

PS. I would _guess_ that .dropbox.cache folder may be excluded from the backup in full. Judging by the name it's some internal housekeeping stuff. But again, it's best to check with the dropbox manual. They should have a guidance for local backups.

bvckupguy :

Mar 25, 2021

Thanks Alex.

I've found a thread on the Dropbox forums about this [0]. Apparently I can solve it by setting dates in Dropbox to display as "absolute" instead of "relative".

I think your suggestion is the easiest way to solve the problem though. I'll just ignore the .cache folder going forward.

[0] https://www.dropboxforum.com/t5/Dropbox-installs-integrations/Problem-with-making-a-local-backup-of-Dropbox-folder-version-14/td-p/193333

Alex Pankratov :

Mar 25, 2021

Aye, thanks for the follow-up.

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