2mo ago

What do you host on your backup servers?

I backup my files via rsync then have some essentially docker containers backed up and running in case the first one goes down :)

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I backup my backup servers to my production machines.
Circular redundancy, ftw!
- First I laughed, but now I’m seeing the genius.
- It's constantly-buying-additional-hard-drives-for-balooning-storage all the way down!

My backup concept is on the to-do list. Been there for a couple years. I do have triple pihole/caddy/haproxy/redis for high availability on a triple node proxmox cluster! necessary? no. cool, though? heck yeah! friends and family impressed? uhm... what was the question?
- If you're using proxmox, just install PBS somewhere else and configure a schedule. It's pretty quick to configure.
  
  I know about pbs, I even have an IP set aside for it :) I do have the built-in proxmox backup function take nightly snapshots or my important vms to my nas, but I don't have anything really put together. Also, nothing for my nas itself. It is configured in a raid 5, but as we all know, raid is not backup :)
  One day, after I am done with [insert reason here], I will have a bad ass, well thought out backup solution.

My backup server is the only one of my servers that is located outside Germany. You know, in case the British come again. Or the data centre of my other servers burns down. Or something like that.
Every night, this server receives a (compressed, incremental) backup of the most important data (content and configuration files) from each of my other servers, which I created with Borg.

I have some scripts that use restic to backup to locally connected USB drives weekly.
The USB drives are connected to smart plugs that I control via home assistant and some webhooks. So the drives are off and stay off when not in use for the backup. I also don't turn them both on at the same time.
I bought an Odroid HC2 years ago with the intent to have it connect over wireguard and mount to the NAS VM. Then I could put it in a friends house and use it as an offsite backup.
I also sometimes backup to backblaze

I've got a subset of my files encrypted and backed up using borg. It gets backed up to another computer in my home and then cloud storage via borgbase.com.

Host? As in running services?
Wireguard and the Proxmox Backup Server software itself. Redundancy/failover comes from the server cluster itself, not my backup server.
As far as the backup content, it "hosts" backup images of my VMs and LXCs, plus /home from my laptop in case it ever gets lost or damaged.

My backupserver is a VM.
The host also has VMs for Homeassistant, an MS AD DC based on Windows 2022,

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