3-2-1 Backup
3-2-1 Backup Rule Explained for Real Homes
07/15/2026
The 3-2-1 rule means three copies, two media or systems, and one offsite copy. The real test is whether you can restore.
Homelab Backup Strategy: NAS, Offsite Copies, and Restore Tests
06/22/2026
A practical homelab backup strategy covering 3-2-1 design, NAS backups, offsite copies, immutable or offline protection, and restore drills.
The 3-2-1 Backup Rule in 2026: Keep It, But Add Two Checks
06/22/2026
The classic backup rule still works, but modern homes need immutability, separate credentials, and tested restores.