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  • ESX/ESXi in Blades

    I am new to Virtualization and i am learning from the scratch about it and i came across this scenario that if your deploying ESX across all the blades will result in single point of failure
    1) i don't quite get that
    2) if v cant deploy ESX like that what is the correct method of deploying ESX in blades

  • #2
    Re: ESX/ESXi in Blades

    Errr single point of failure? Most blades chassis are high available and so is storage.
    Especially with Cisco UCS which i basically know better then any other vendor.
    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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    • #3
      Re: ESX/ESXi in Blades

      Originally posted by AlphaZeirus View Post
      I am new to Virtualization and i am learning from the scratch about it and i came across this scenario that if your deploying ESX across all the blades will result in single point of failure
      1) i don't quite get that
      2) if v cant deploy ESX like that what is the correct method of deploying ESX in blades
      This issue is related to HA in the old days, read prior vSphere 5, where you could have only a maximum of 5 primaries managing HA and the rest are secondaries.

      In a Blade environment, you could end up having a single point of failure if all your primaries are all hosted in a single chassis. If the chassis goes bang, HA is down and the failed VM's won't be restarted automatically...

      Best practices recommend to have a maximum of 4 hosts per chassis in a VMware cluster...

      Example, you have two chassis, 15 hosts. You create 1 VMware cluster with 8 hosts, 4 hosts max in each chassis and a second cluster with 4 hosts max in one of the chassis, and the remaining 3 hosts on the other chassis...

      I would recommend to go with vSphere 5 to avoid this issue.

      Freelance, Business Owner, Virtualisation & Cloud Computing Fan Boy, VCP4/5/Cloud, VCAP4/5-DCA/DCD, vEXPERT '10-'14, EMCCA-Specialist, VMware Alumni.

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      • #4
        Re: ESX/ESXi in Blades

        Thank You Dumber for the solution
        Thank You Pironet for detailed explanation and solution

        Thanks for your time guys

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