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submitted 20 hours ago* (last edited 19 hours ago) by Cornflake@pawb.social to c/linux@lemmy.ml

Hey there, folks! Currently playing around with a laptop that's got three SSDs. Running Arch but that isn't quite related. I have everything configured on one SSD, the other two are totally fresh. What do I need to do to setup one of those fresh SSDs for Timeshift backups? Please walk me through it from the very start- I think I understand some parts but I'm not too certain.

I can format the drives using mkfs.btrfs without any issues, but I'm confused about how I can add subvolumes and configure their root permissions properly to allow Timeshift snapshots.

EDIT: I see now that I misunderstood what Timeshift does. New question- which tool can I use to make a backup of my entire filesystem onto another drive such that it can be restored?

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[-] Cornflake@pawb.social 4 points 19 hours ago

That makes more sense- kinda like nondestructive editing when working with audio/video. The snapshot is more or less a list of instructions to revert a system back to a previous state, not an actual copy of everything.

this post was submitted on 11 May 2025
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