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  • 1.  VMotion Intel Xeon CPU Compatibility

    Posted Mar 17, 2008 08:15 AM

    Hello

    I try to figure out if the CPU that already exists can be used with a newer one for VMware VMotion. I have a list of Compatibility that says me witch CPUs match together ( Page 4). But how I can classify the used CPU? I get CPU-Z 1.44.1 report file, but I don't know which Intel CPU Model is inside.

    I have seen the files

    VMotion Compatibility, Overriding VMotion Compatibility Restrictions.


    But I'm not sure how to use this information.

    My list say only names like "Intel Xeon 5100 Series" and so on. How to find our which Series the CPU I already have?

    CPU-Z 1.44.1 report file

    Processor(s) Number of processors 1

    Number of cores 1 per processor

    Number of threads 2 per processor

    Name Intel Xeon

    Code Name Nocona

    Specification Intel(R) Xeon(TM) CPU 3.20GHz

    Package Socket 604 mPGA

    Family/Model/Stepping F.4.1

    Extended Family/Model F.4

    Core Stepping E0

    Technology 90 nm

    Core Speed 2800.5 MHz

    Multiplier x Bus speed 14.0 x 200.0 MHz

    Rated Bus speed 800.1 MHz

    Stock frequency 3200 MHz

    Instruction sets MMX, SSE, SSE2, SSE3, EM64T

    L1 Data cache (per processor) 16 KBytes, 8-way set associative, 64-byte line size

    Trace cache (per processor) 12 Kuops, 8-way set associative

    L2 cache (per processor) 1024 KBytes, 8-way set associative, 64-byte line size

    Thank you

    Sasa



  • 2.  RE: VMotion Intel Xeon CPU Compatibility

    Posted Mar 17, 2008 11:57 AM

    The first step would be see if you can get the information from the server manufacturer - they should be able to help determine if the CPU are compatible for vMotion - is not the items that should match are:

    Family/Model/Stepping F.4.1

    Extended Family/Model F.4

    Core Stepping E0

    Instruction sets MMX, SSE, SSE2, SSE3, EM64T



  • 3.  RE: VMotion Intel Xeon CPU Compatibility

    Posted Mar 17, 2008 03:33 PM

    check /proc/cpuinfo

    It ussually gives you details of your CPU

    you can then use http://en.wikipedia.org/wiki/List_of_Intel_Xeon_microprocessors to see what that cpu has.

    One extra flag you need to watch out for is the NX flag.IT can prevent some VMs for vmotioning properly if one CPU has it and others don't THough you can mask it on a per vm manner.

    Finally if your CPU is supposed to support certain flags but you do not seen them enabled update the bios of yourt system as a lot of these extra CPU features where added latter through bios.