How should I implement 2nd backup for my config (lemmy.world)

submitted 11 months ago* (last edited 11 months ago) by mwalker789@lemmy.world to c/proxmox@lemmy.world

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Here is my setup:

I have two proxmox installations (totally not related) on totally different locations
on both instances I have a few CTs and VMs
on both instances I run "backup job" where I create backup to a external USB drive - this is a "first" backup from where I can quickly restore if needed

What I want:

I want to have a separate (off-site) backup
I have Raspberry PI with 5TB USB storage
I want to use this raspi for both Proxmoxs

What would be the best solution for this?

What I was thinking (I don't think this is the most elegant solution):

install tailscale on raspi
- (same on both proxmoxs)
- create CT and install tailscale on it
- in some interval push backup file form proxmox to CT and then this CT pushes backup over tailscale to raspi

edit: spelling

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[-] Kaavi@lemmy.world 1 points 11 months ago

Any reason for not using proxmox backup? :)

[-] mwalker789@lemmy.world 1 points 11 months ago* (last edited 11 months ago)

Where should I install it? I guess raspi is not sutable

[-] tmjaea@lemmy.world 1 points 11 months ago

On the proxmox hosts alongside pve. Then pull each other's backup storage (via VPN/ssh tunnel).

The rpi could pull both storages as a second backup, e.g. via rsync. There is a pve port for the rpi, maybe also for pbs.

[-] mwalker789@lemmy.world 1 points 11 months ago

(on Proxmox side) why is this better then just doing backups to external hard drive? there is the same functionality but with hassle of running additional service.

Can you give me a bit more details in "The rpi could pull both storages..." part?

[-] tmjaea@lemmy.world 1 points 11 months ago

Dedup, incremental backups, backup verification

Cronjob with rsync command to copy file contents

[-] Kaavi@lemmy.world 1 points 11 months ago

Any reason for not using proxmox backup?

[-] monty@lemmy.one 1 points 10 months ago

Have you looked at Proxmox Backup Server? I have not used it, but I believe it is made to handle remote backups.

this post was submitted on 06 Aug 2023

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