SMALL Proxmox Cluster Tips | Quorum and QDevices, Oh My! (+ Installing a QDevice on a RasPi)

So you want to turn your one or two Proxmox nodes into a small Proxmox cluster? What do you need to know about quorum, especially as it pertains to really small clusters of 2 and 3 nodes? In this video, I go over the different ways to stabilize a 2-node cluster for high availability, the storage requirements for high available VMs, using a Raspberry Pi as a QDevice, and if you even need one. I also talk about how a QDevice might not help you as much as you think in a 3 node cluster.

I also cover installing a the QDevice daemon on a Raspberry Pi, and using a very small Proxmox node to maintain quorum without allowing it to be part of the high available VM pool.

Blog post:
https://www.apalrd.net/posts/2022/clu...

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Timestamps:
00:00 - Introduction
00:35 - Hardware
01:22 - Two Nodes Not Clustered
03:39 - Two Nodes Clustered
05:55 - Two Nodes Extra Vote Hack
07:34 - Two Nodes + One Quorum Only
09:28 - Shared Storage or Replication?
12:08 - QDevice on Raspberry Pi
16:46 - Two Nodes + QDevice
18:24 - Three Nodes + QDevice
20:51 - Conclusions and Future

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