Summary

Our current backup solution is running into limits. We need to rebuild this into something more usable. First decision will be to determine which plan we are going to use for this.

Architecture

We are going to use proxmox-backup as our backup solution. This means that all systems need to have the proxmox backup client. ~~For systems that cannot run this client (eg, arm devices), we need to have an in-between system which does have the client.~~

There is an ARM solution https://github.com/ayufan/pve-backup-server-dockerfiles

Steps

~~Install PBS~~
~~Configure Erratic to backup to PBS~~
Run a initial backup on Erratic & verify backups
Setup Proxmox Backup Client on X86 systems
Setup Proxmox Backup Client on ARM systems

The last two steps could possibly be automated with Ansible.

Some caveats:

Some of our systems are running Ubuntu
Spacesound is running Fedora

Notes:

Make it use the community repo https://geekistheway.com/2021/03/06/how-to-setup-proxmox-backup-server-pbs-community-repository/
Disks added to VM using

qm set 137 -scsi1 /dev/disk/by-id/ata-TOSHIBA_MD04ACA400_761AKLZCFSAA
qm set 137 -scsi2 /dev/disk/by-id/ata-TOSHIBA_MD04ACA400_761DKTFUFSAA

Configuration

PBS is configured with two drives directly passthrough to the VM. From there we have a ZFS mirror.

Erratic has PBS configured as a backup volume under the root Erratic (backups/erratic) with it's own user. This is so that we can keep backups separated on a per device basis

A monthly cron has been configured that verifies the entire dataset.