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  1. #1

    enbaling all the CPU's

    We had RHEL 2.1 AS with 4 CPUs but only 1 CPU was enabled. Even after upgrading it to RHEL 5, it is still enabling only 1 CPU. Do we need to run any additional rpm to enable all 4 CPU? The process followed was

    booted the Vm with LINUX 5 cd and entered "linux upgradeany"
    then it prompted the kernel to be upgraded and we selected the kernel
    to upgrade the LINUX to RHEL5.

    Please suggest where was the problem?why i am not able to get all the CPU's enabled.

  2. #2
    Linux Guru Lazydog's Avatar
    Join Date
    Jun 2004
    The Keystone State
    RHEL5 should use all CPU's by default. Are all CPU's enabled in the BIOS?


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  3. #3
    Linux Guru Rubberman's Avatar
    Join Date
    Apr 2009
    I can be found either 40 miles west of Chicago, in Chicago, or in a galaxy far, far away.
    Are you talking about a virtual machine guest OS, or the host system? From your original posting, it looks to me like you are only getting 1 CPU in your VM. You might need to upgrade your virtual machine manager software to support more than one CPU for a guest OS.
    Sometimes, real fast is almost as good as real time.
    Just remember, Semper Gumbi - always be flexible!

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