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Comment on Advice on home server setup (with Proxmox?)

Novac@feddit.de ⁨1⁩ ⁨year⁩ ago

How would I handle backups though? I have some data I should definitely back up in some way, e.g. Nextcloud or paperless-ngx. A mirror is good but doesn’t replace a backup :D

That’s why I brought in Proxmox Backup Server, not sure if that’s overkill though or if I can backup using Proxmox VE itself. I’ve also read about people running Proxmox Backup Server as a VM inside Proxmox. That way I only have one physical machine but I’m not sure how complicated it would be to access the backups if the Proxmox VE host itself goes down.

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MangoPenguin@lemmy.blahaj.zone ⁨1⁩ ⁨year⁩ ago
Yeah that is one reason to keep the other host.

In my case what I do is backup the Proxmox Backup Server VM to my desktop PC over the network, so if my Proxmox host fails I can:

Reinstall Proxmox on the host or some other host

Restore the Proxmox Backup Server VM that’s saved on my desktop PC

Once that’s running, I have access to all the other backups and can restore the rest of the VMs and Containers

Obviously that’s assuming the drives haven’t failed for some reason, if that’s the case I also backup important stuff with Restic inside each VM and Container, and that gets stored on Wasabi S3 or Backblaze B2. Those backups are if everything else fails, a lightning strike takes it all out, or there’s a fire or something. They would require rebuilding from scratch, but the important data is at least saved.
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ikidd@lemmy.world ⁨1⁩ ⁨year⁩ ago
PBS is a good backup solution, and it will also replicate to an external harddrive if you want an offsite. The backups are navigable/downloadable in the interface and with the CLI client, you could restore full trees back to a system or VM, besides being able to restore the whole image into a new VM. It also dedups quite heavily so you can keep months of images on little disk space.

Personally, I would leave PBS separate on a weak computer, it doesn’t take much of a system to run it, for the reason you state. You can also backup the PVE host to that computer using rsync on the important bits like the /etc/pve folder as per the forum suggestions.

If you have other questions you can’t get answered here, consider signing in to discourse.practicalzfs.com where there a number of Reddit refugees to answer questions. There’s also some Proxmox forums on Lemmy here but none are very active yet.

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