this post was submitted on 20 Dec 2025
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Backups.. Pull or Push? (feddit.uk)
submitted 1 day ago by Cyber@feddit.uk to c/linux@lemmy.world
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I've been generally running various different ways of backing up files to my NAS (which then backs up to other locations...) - mostly syncthing for photos and large collections of files, but I tend to use rsync to push out config backups to the NAS once something's working.

But, the NAS is only powered up a few times a day (to save on electricity costs), which is fine for manual pushes, but makes scheduling backups a bit tricky.

It dawned on me that it might be better for the NAS to pull the files via rsync instead of pushing them.

Anyone tried this route and have any advice?

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[–] ryannathans@aussie.zone 0 points 1 day ago (2 children)

With syncthing, it doesn't matter. It just happens when they are both online

[–] moonpiedumplings@programming.dev 0 points 22 hours ago (1 children)

This is exactly why syncthing is problematic as a backup solution.

If I delete a file on one host and syncthing is doing the default two way sync, the deletion is also replicated to the other machine.

They acknowledge this in their faq: https://docs.syncthing.net/users/faq.html#is-syncthing-my-ideal-backup-application

You can mitigate some of these issues with file versioning, or one way syncs, but ultimately it's just not really the tool for the job.

[–] ryannathans@aussie.zone 1 points 21 hours ago

Okay so change the setting as you mentioned