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Cluster 2 node high availability

Discussion in 'Proxmox VE: Installation and configuration' started by Proxmoxgoogle, Mar 21, 2017 at 00:21.

  1. Proxmoxgoogle

    Proxmoxgoogle New Member

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    hi,

    Because it is not possible to achieve an environment with high availability (HA) with two nodes? And if with three nodes
     
  2. 1nerdyguy

    1nerdyguy Member

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    You need 3 nodes for HA Cluster. 2 will not work, due to the limitations of quorum.
     
  3. Proxmoxgoogle

    Proxmoxgoogle New Member

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    But because if I have two nodes, and one node fails, the other node is still running, would it continue to provide services, would high availability be met?
     
  4. vetman

    vetman New Member

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    The 3 nodes is required as when 1 falls off, 2 nodes still talk to each other and agree the cluster is up. When you only have 2 nodes and 1 falls off, neither know which one has become the master. The third node is like a tie breaker.
     
  5. Proxmoxgoogle

    Proxmoxgoogle New Member

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