You would need to qualify the situation... there is no magic formula to convert x86 cores to IFLs, each case depends upon many variables, for instance:
- Which Intel X86 technology is being consolidated? - How fast is the x86 clock? - How much is the x86 server utilization? - What type of workload? I co-wrote a paper a while ago about sizing. Although 10 years old, this paper still reflects the proper sizing methodology and, to be current, it would only require newer data reflecting modern technology. You can find the paper here: https://www-03.ibm.com/support/techdocs/atsmastr.nsf/5cb5ed706d254a8186256c71006d2e0a/1c76a8c5aa63c3b28625723a0026816b/$FILE/Linux%20on%20System%20z,%20an%20end%20to%20end%20view.pdf This paper does not talk about TCO, but about the sizing methodology itself. On the TCO side, as mentioned earlier on one of the answers to your question on this forum, you will need to consider many areas on top of the acquisition costs, such as: space, cooling, power usage, SW licensing, admin costs, and many more. If you need examples there are plenty of references on the internet to indicate the areas to be considered on a detailed TCO study. Also the amount of memory required to run equivalent work is normally less on the z Systems than the aggregated memory from the x86 systems. Thanks. Best Regards / Abraços / Abrazos, Eduardo C. Oliveira, M. Math. WW IBM Wave Tiger Team Lead / Executive IT Specialist Washington Systems Center – zGrowth Open Group / IBM Wave / RACE / Fit for Purpose / Linux on z / Virtualization / zChampion Alumni From: "Will, Chris" <cw...@bcbsm.com> To: LINUX-390@VM.MARIST.EDU Date: 02/01/2016 12:39 PM Subject: TCO comparison Intel vs EC12 IFLs Sent by: Linux on 390 Port <LINUX-390@VM.MARIST.EDU> Any TCO comparisons of Intel x86 processors (vmware) vs EC12 IFLs that is not authored by IBM? We are comparing costs on a EC12 14 IFL system running WMB, WAS, and DB2 vs running this on an x86 solution running vmware. Looking for information on how many x86 cores would be needed to replace the EC12 IFLs. Chris Will The information contained in this communication is highly confidential and is intended solely for the use of the individual(s) to whom this communication is directed. If you are not the intended recipient, you are hereby notified that any viewing, copying, disclosure or distribution of this information is prohibited. Please notify the sender, by electronic mail or telephone, of any unintended receipt and delete the original message without making any copies. Blue Cross Blue Shield of Michigan and Blue Care Network of Michigan are nonprofit corporations and independent licensees of the Blue Cross and Blue Shield Association. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
