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Can Red Hat Hugemem Kernel Be Used in ESX Server Guest Operating Systems?

Details

Red Hat Linux hugemem kernels (sometimes used on physical systems with more than 16GB of RAM) are not supported. VMware does not support this kernel variant due to the increased overhead of kernel/userspace switches inherent in this kernel implementation.  Refer  http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/release-notes/as-x86/ for more information on hugemem kernels.

Solution

Use the supported UP or SMP kernel for Red Hat guest operating systems.
 
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  • KB Article: 8964517
  • Updated: Aug 14, 2009
  • Products:
    VMware ESX
  • Product Versions:
    VMware ESX 2.1.x
    VMware ESX 2.5.x
    VMware ESX 3.0.x
    VMware ESX 3.5.x