Using IBM Servers and noticed Bios CPU options that I wanted to run by everyone and get some opinions on. Models are IBM Xseries 3950 and HS21 blades.
If you have opinions I am interested...
Processor Adjacent Sector Prefetch: enabled (suggestion from IBM redbook is to have enabled)
Processor Hardware Prefetcher: disabled (suggestion from IBM redbook is to have disabled for ESX 2.x, what are people using for ESX 3.x?)
Powerexecutive Power Capping: ???? I am thinking disabled...I want the hypervisor making these decisions????
Processor Performance States: ????? not sure best setting here?
Enhanced C1 Power State: ??? not sure best setting?
Processor Execute disable bit: ??? older ESX needed this off...think advised to have on now..but has to be consistent across servers to prevent vmotion problems?
Thanks!
Hi
am using 3650s and the only thing I change is to make sure the VT technology and No Execute bit are both ENABLED for ESX 3.5 (required for EVC to work).
Cheers
Jon
thanks for the feedback.