Clustering

2 thoughts on “Clustering

  1. Hi Samir,
    We have 11esx host and configured in Cluster01.
    Per ESX Host Configuration
    a. Total 24 Core [2 socket x 6core per socket and HT is enabled], Speed 2.625 GHZ
    INTEL.
    b. Total 80GB per ESX host
    12×2.625=31.5ghz [without HT]
    24×2.625=63 Ghz [HT on]
    P2V (physical to virtual convertion)
    1:4 Ratio
    12:48 [without HT] 48×2.625 = 126ghz
    24:96 [with HT] 96×2.625 = 252ghz

    My question is how to calculate the cpu resource convertion from p2v,
    what is best practive for cpu convertion ratio and how to monitor the cpu resources used by powered on vm as well as total availabel cpu resources.

    Pls advise any related books or link for cpu resource calculation and monitoring tool.

    Thanks
    Steven

    • Hi Steven,

      The scientific way to plan P2Vs are through a thorough analysis. This can be done by a tool or manually , VMware has Capacity Planner which can tell you the P2V ratios that you will achieve for your physical workload on the target server.The CPU conversion ratio achieved this way will make sure that your physical workload have the same performance on the virtual platform.

      Monitoring the CPU resources available on the server can be done by vCenter to a certain extent , however if you are looking for very good monitoring tool you can have a look at vCenter Operations Manager , this will give you detailed and granular level information apart from many other capabilities.

      Thanks,
      Samir

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