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Virtual Machines Restarted after the Host Failure(esxi 3.5 U3)

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  • Virtual Machines Restarted after the Host Failure(esxi 3.5 U3)

    Hi Everybody,

    I set a esxi 3.5 cluster environment with two host(hp) , when i try to check the HA by doing a reboot of one of the host all the Vm's in the rebooted host is moved to the other host with a restart. By googling a search i found few articles say that vms will reboot in a failover .

    Is there any way to prevent the vms reboot while esxi host failure...


    Warm Regards
    Rajesh.

  • #2
    Re: Virtual Machines Restarted after the Host Failure(esxi 3.5 U3)

    Do you have vCenter, and a shared disk backend, like an iscsi host, or FC San or similar?
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    • #3
      Re: Virtual Machines Restarted after the Host Failure(esxi 3.5 U3)

      If I understood your question correctly then No. If you have two hosts in a cluster with HA and all your VM's are runnin on host 1 with back end storage. When the host fails i.e. power is removed from the host then all the runnining VM's will power off with the host. HA will then identify that a host has failed and then automatically restart / power on the VM's on another host in the cluster.

      Only way to migrate a VM from host to host whilst keeping it powered on is vMotion which you cannot use as it relies on both hosts being powered on.

      Hope this makes sense.

      Michael
      Michael Armstrong
      www.m80arm.co.uk
      MCITP: EA, MCTS, MCSE 2003, MCSA 2003: Messaging, CCA, VCP 3.5, 4, 5, VCAP5-DCD, VCAP5-DCA, ITIL, MCP, PGP Certified Technician

      ** Remember to give credit where credit is due and leave reputation points sigpic where appropriate **

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      • #4
        Re: Virtual Machines Restarted after the Host Failure(esxi 3.5 U3)

        Hi tehcamel

        Yes I have a vCenter 4.0 server and a iscsi (openfiler 2.3) storage.

        Warm regards,
        Rajesh

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        • #5
          Re: Virtual Machines Restarted after the Host Failure(esxi 3.5 U3)

          An other option is to migrate to vSphere and use FT for the most important machines.
          Marcel
          Technical Consultant
          Netherlands
          http://www.phetios.com
          http://blog.nessus.nl

          MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
          "No matter how secure, there is always the human factor."

          "Enjoy life today, tomorrow may never come."
          "If you're going through hell, keep going. ~Winston Churchill"

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          • #6
            Re: Virtual Machines Restarted after the Host Failure(esxi 3.5 U3)

            Hi Marcel,

            Thanks for your reply and i understand completely i believe. It means cannot make it in 3.5.

            Thanks for Everyone who posted their valuable replies.

            Warm Regards
            Rajesh

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