Hey everyone! I'm looking to create a hyperconverged cluster using Hyper-V with two nodes and I've got a few questions. First, can I achieve high availability if one of the nodes goes down? Will the virtual machines continue running seamlessly on the other node? Also, is hyperconverged mode included with Hyper-V, or will I need to buy an extra license for that? Lastly, do I need to implement RAID for this setup?
2 Answers
If you're going with two nodes, you'll need to have shared storage and an external witness setup. It helps in maintaining availability since both nodes will need access to the same data. You can configure shared storage in Hyper-V directly, but if each of your nodes has 30TB of storage, you'd have to look into how to set that up for sharing.
You can set up a two-node failover cluster, but it's not ideally recommended with Storage Spaces Direct (S2D). It can work fairly well with solutions like Starwind vSAN, which might be worth checking out. Keep in mind that when a node fails, the VMs usually remain online, but you may experience a slight packet loss during the switch to the other node. As for licensing, failover clustering and S2D don't require additional fees that I'm aware of. Just remember to use RAID or Storage Spaces to ensure redundancy!
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