Server backups
Backup principles
We run most all our services with proxmox. It comes with a companion software proxmox backup server that is used to backup all resources on interval. From here we implement the following storage strategy 3-2-2:
- Maintain 3 copies: 1 local, 1 off-site and 1 cloud copy.
- Use 2 different storage media: HDD on both sites and Cloud storage
- Keep 2 copies off site.
This modifies the original rule a bit:
- 3 copies of data
- on 2 different media
- with 1 copy being off-site
Local backup
All virtual machines and LXC containers running in our infra will be managed by Backup server. Every night snapshot are taken at between 02-05 from all servers hosts.
View cluster backup configuration: https://apollo.schleppe:8006/#v1:0:18:4:::::32::21
View backups at: https://clio.schleppe:8007/#pbsDashboard
View syncthing: http://clio.schleppe:8384
Offsite backup
To ensure backups are not lost if the entire local datacenter is lost we want to syncronize all backups to an off-site location. Syncthing is used to duplicate everything on local proxmox backup server.
Machines use tailscale and local headscale instance to create a shared network.
Users can connect to remote datacenter using wireguard and navigate to the box directly.
Syncthing
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Online backup
Using jottacloud to store a encrypted copy.
