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    How Does HyperV Clustering Work

    Scheduled Pinned Locked Moved IT Discussion
    hypervclusteringvirtualization
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    • DashrenderD
      Dashrender
      last edited by

      Great question - in light of the free StarWind virtual SAN, I've been wondering this myself.

      A basic walk through of install would be great.

      KOOLERK 1 Reply Last reply Reply Quote 0
      • DustinB3403D
        DustinB3403
        last edited by

        It makes sense that a separate host would have to be configured to monitor both Hyper-V servers to see if one goes down. So does that mean you have to perform this with a 3rd server?

        Could the clustering service be run as a VM on each Hyper-V host to monitor the other?

        DashrenderD 1 Reply Last reply Reply Quote 0
        • scottalanmillerS
          scottalanmiller
          last edited by

          By 2012, HyperV can do clustering for free. Here is Microsoft's own guide for this using PowerShell to manage it:

          http://blogs.technet.com/b/keithmayer/archive/2012/12/12/step-by-step-building-a-free-hyper-v-server-2012-cluster-part-1-of-2.aspx

          dafyreD 1 Reply Last reply Reply Quote 0
          • DashrenderD
            Dashrender @DustinB3403
            last edited by

            @DustinB3403 said:

            It makes sense that a separate host would have to be configured to monitor both Hyper-V servers to see if one goes down. So does that mean you have to perform this with a 3rd server?

            Could the clustering service be run as a VM on each Hyper-V host to monitor the other?

            Nah, that's what the heartbeat betweent he boxes is for...

            1 Reply Last reply Reply Quote 0
            • KOOLERK
              KOOLER Vendor @Dashrender
              last edited by

              @Dashrender said:

              Great question - in light of the free StarWind virtual SAN, I've been wondering this myself.

              A basic walk through of install would be great.

              StarWind does not use Windows Server Failover Clustering (WSFC) in a normal operations mode so it's another story...

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              • dafyreD
                dafyre @scottalanmiller
                last edited by

                @scottalanmiller I've read that article, and the guy states that he already has his own shared storage for that setup... It could be done using a standalone SMB-3 server for the cluster's storage, but I find that a bit risky as it is a SPOF.

                This is where a product like StarWind shines if you have multiple NICs in your computer.

                1 Reply Last reply Reply Quote 1
                • scottalanmillerS
                  scottalanmiller
                  last edited by

                  Exactly, SMB3 is just as dangerous as iSCSI or any other SPOF approach. It's an easier to manage protocol, so better in that regards, but that is about it.

                  1 Reply Last reply Reply Quote 1
                  • J
                    Jason Banned @DustinB3403
                    last edited by

                    @DustinB3403 said:

                    This seems like he's installed Hyper-V 2012 R2 onto an existing Windows Server 2012 R2 server as a "service". Rather than to bare metal.

                    Hyper-v never runs as a "service". Hyper-v is always a Type 1 Baremetal hypervisor running below the OS. Even if you have a Windows GUI on top of it.

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                    • dafyreD
                      dafyre
                      last edited by

                      Best way I've heard it described is that when you enable Hyper-V on a Windows Server, your Windows Server Core (or GUI) becomes the Linux equivalent of Dom 0

                      scottalanmillerS 1 Reply Last reply Reply Quote 2
                      • scottalanmillerS
                        scottalanmiller @dafyre
                        last edited by

                        @dafyre said:

                        Best way I've heard it described is that when you enable Hyper-V on a Windows Server, your Windows Server Core (or GUI) becomes the Linux equivalent of Dom 0

                        And exactly like installing Xen onto Linux, Xen inserts itself as a "shim" under Linux and then reboots, booting into Xen instead of Linux. HyperV is identical, inserting itself as shim under Windows, rebooting and booting into HyperV instead of Windows.

                        HyperV is modeled identically after Xen.

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