Back to feed
Dev.to
Dev.to
6/23/2026
The 3-2-1 Backup Setup for Self-Hosters: restic + Backblaze B2

The 3-2-1 Backup Setup for Self-Hosters: restic + Backblaze B2

Short summary

Implement the 3-2-1 backup rule using restic's encrypted, deduplicated snapshots pushed to Backblaze B2 (~$6/TB/month). Guide covers Docker volume backup, database dumps, off-site encryption, automated scheduling with systemd, and restore verification for disaster recovery.

  • •3-2-1 rule: 3 data copies, 2 different media types, 1 off-site location
  • •restic handles deduplication, client-side AES encryption, and point-in-time snapshots
  • •Step-by-step setup for self-hosted servers with database dump strategies and automated systemd timers

Generated with AI, which can make mistakes.

#open-source
Read full article at Dev.to

Is this a good recommendation for you?

Explore more

Linux Backup Made Simple: Automate Incremental System Snapshots with Restic
Dev.to
The 2026 Self-Hoster's Privacy Stack: every tool I actually pay for, configured end-to-end
Dev.to
Docker Volume Backup Strategies on My Own VPS
Dev.to
My complete self-hosting stack: Docker Compose + hardening scripts I use on Hetzner (sharing everything)
Dev.to