IBM Mainframe – CPU Utilization and charging process

5 pts.
Tags:
CPU usage
IBM Mainframe
LPAR
Mainframe
MIPS
Hi,

I would like to know the following:

How IBM charges a client for using mainframe? (CPU Utilization or MIPS, rough dollar amount, prime time vs. non prime time and only based on production LPAR CPU usage or charge includes usage of developement and testing community of CPU as well?

Also we have ~750 MIPS mainframe in our client location and currently running on an average of 86% CPU utilization monthly basis. I would like to know how we can increase the MIPS or CPU utilization? Is it just by buying and adding more memory? How much does it cost to buy memory and how much each will add to MIPS and reduce CPU utilization?

Answer Wiki

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The charging structure depends on the vendor that you are buying your CPU time from. Typically charging is based around MIPS, memory, and storage. Time of day can affect the rates too. But there is no standard that I’m aware of.

As to finding out what you need to buy to improve performance, your best bet is to talk to IBM or your favorite IBM reseller. Memory may improve utilization and performance (depending on how much paging is going on) but it will not increase the MIPS of the machine. Again, talking to IBM or reseller is the best thing to do.

The other thing you can do is go to a user group meeting such as SHARE (www.share.org) where you can interact with technical peers who have faced the same questions and can talk to you about what they’ve done.

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  • Jamesdawson
    Progress Software’s Shadow product offering into improving and increasing mainframe operational performance through real time capability. Shadow Brain Shark: http://www.brainshark.com/progress_software/Shaddow Please find attached further information with regards to this and our Shadow product web link: http://web.progress.com/en/mainframe/index.html.
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