this post was submitted on 24 Nov 2023
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VM redundancy (alien.top)
submitted 11 months ago by chaplin2@alien.top to c/main@selfhosted.forum
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I had proxmox with unattended updates in VMs, but VMs sometimes hangstop booting, encounter DNS issues, etc. That’s not something that I can rely on!

I want to run a vm and make sure the service in it is always available. The users should always have access to the service through Cloudflare tunnels. The bare metal installation works for a long time, but not VM installation. I can tolerate a 30 minutes fix once year, but it won’t work telling users sorry there is a problem this week with my server!!!

How to set up this VM?

So far, the solutions that I found are, set up automatic ZFS snapshots every 15 minutes, and set up another proxmox server with proxmox backup server, ready to boot from backup.

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[–] -SPOF@alien.top 1 points 11 months ago

I suppose you could deploy an HA cluster using either Ceph or StarWind VSAN HA storage technology. These solutions replicate data across cluster nodes, ensuring your VMs are highly available. They both fit Proxmox.