this post was submitted on 05 Oct 2024
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[SOLVED] Can I delete BTRFS snapshots from middle? (lemmy.today)
submitted 1 week ago* (last edited 4 days ago) by gpstarman@lemmy.today to c/linux4noobs@lemmy.world
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Let's say i made 10 snapshots on top of the base.

Now can i delete snap no. 5? Will the snaps after 5 will be affected?

Solved

Yes, one can delete consecutive snapshots. The data won't be deleted unless all snaps ( reference points ) get deleted.

Note: If you delete the original file and delete all the snapshots made when the file is still there, the file will get deleted permanently.

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[โ€“] gpstarman@lemmy.today 2 points 4 days ago (1 children)

If your snapshots are taken from your main subvolume, then they shouldn't be incremental backups

So other snaps from other subvols are incremental backups?

[โ€“] doughless@lemmy.world 1 points 4 days ago* (last edited 4 days ago)

Two snapshots taken from the same subvolume would not be incremental. For them to be incremental, a snapshot would need to be copied from another snapshot. From that article I linked, it looks like you have you use the send command to actually make an incremental snapshot.