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  • 1.  Capcity Plan

    Posted Nov 23, 2011 06:06 AM

    We have created a couple of VMS without  correct planning
    Now the problem is ,
    How do i verify my ESX servers have enough resource(cpu,storage,ram) to have the existing vm's ?
    If the resource is enough , How many more vm can be created ?

    How many server required for host failure cluster tolerates

    Please help

  • 2.  RE: Capcity Plan

    Posted Nov 24, 2011 01:25 PM

    Capacity planning ends up being as important after you begin virtualizing workloads as it was when virtualizing your first.  What often happens is no one looks at the capacity on an ongoing basis and deploys more and more VMs and then gets into the situation you're in.

    If you're working with production workloads here, I'd recommend looking into VMware's vCenter CapacityIQ product.  It is designed to do exact as you describe and may be exactly what you're looking for.

    In addition, if you're looking for a free tool to do an evaluation of the current state then take a look at VKernel's free tools.  The tools CapacityView and Capacity Modeler are free and can be used to give you a snapshot of what your environment looks like.  They also make a paid product called Capacity Manager that competes with VMware's CapacityIQ product.

    My advice would be to evaluate the products and figure out which fits your needs.  Free products are great for one time analysis or "on demand" type analysis, but products like CapacityIQ are better for full time capacity planning.