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Maintenance Disaster Recovery Backups

Disaster Recovery & Backup Strategy

Disaster recovery protocols for restoring server hosts, Docker container volumes, and network routing in the event of hardware failure.

Recovery Workflow

flowchart TD Disaster["Hardware Failure or OS Crash"] --> Replace["Replace Hardware or Reinstall OS"] Replace --> GitClone["Git Clone Homelab Configs"] GitClone --> JoinMesh["Join Tailscale Mesh Network"] JoinMesh --> MountStorage["Mount Data Backup Drive"] MountStorage --> ComposeUp["Run Docker Compose Up"] ComposeUp --> RestoreDB["Restore Database Dumps"] RestoreDB --> Verified["System Fully Restored"]

3-2-1 Backup Strategy

  • 3 Copies of Data: Active production data, local backup drive, offsite cloud backup.
  • 2 Different Media: NVMe SSD + ZFS HDD volume.
  • 1 Offsite Location: Encrypted Restic backup pushed to Backblaze B2 / Tailscale remote node.

Disaster Recovery Commands

# 1. Restore Docker Volumes from Restic Repository
restic -r b2:my-homelab-backups restore latest --target /mnt/storage

# 2. Restore PostgreSQL Database Dump
cat immich_backup.sql | docker exec -i immich_postgres psql -U postgres -d immich

# 3. Spin up all Services
docker compose up -d