Error: insufficient space on disk for database

Support
1

I keep getting this error:

2024-12-11 08:48:49: Error on folder “Default Folder” (default): insufficient space on disk for database (C:\Users\syncthing\AppData\Local\Syncthing\index-v0.14.0.db): current 330.8 MB < required 1024 MB

There is no quota on the drive, for the syncthing user. I tried specifying the Minimum Free Disk Space as 1024 MB or 1024.0 MB or 1 GB, the same error. The drive still has 46 GB of available space. It’s a personal computer, so no dubious software is running, that might use the space.

This client has version v1.28.1, runs on windows 10, started as service with nssm. The user syncthing has modify rights on C:\Users\syncthing\ and below.

I have another client running on TrueNAS 13.3, has version v1.27.12, and this error does not occur.

2

C:\ apparently only has 330 MB available, which is less than the default of 1024 MB, however it’s expressed

3

It certainly has more than 330 MB.

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4

Interesting, I can’t explain that. You can disable the check by setting the requirement to zero.

5

There’s a long-standing bug/issue in Windows that dates back to at least Windows 7 where under certain scenarios the used/free space reported by Explorer is wrong (sometimes by a lot), so it’s best to use an independent diagnostic tool such as WinDirStat to verify the actual disk usage.

6

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