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Author: frank

Home Author is frank (Page 5)
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New CPU Chart, SHARE Presentations, and the Impact of Hurricane Irma

October 6, 2017frankCheryl's List

Cheryl Watson’s 2017 z Systems CPU Chart Available We just delivered the updated version of our IBM z Systems CPU Chart to our subscribers, with information about the capacity of the new z14 boxes from just about every perspective you could think of. Total MIPS, MIPS per engine, MIPS per MSU, High RNI MIPS, Low…

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Cheryl Watson’s Tuning Letter 2017 No. 2 Published

July 30, 2017frankCheryl's List

To coincide with the launch of our new Publications website, Cheryl Watson’s Tuning Letter 2017 No. 2 was published on July 24th.  This and future issues will only be available on the new site, but we think that you will agree that this is a much more usable, and mobile-friendly, delivery mechanism than the single…

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New Watson & Walker Publications Website Launched

July 29, 2017frankCheryl's List

Subscribers to Cheryl Watson’s Tuning Letter will know that we normally create a DVD every year, containing the Tuning Letters and other Watson & Walker material since Cheryl’s first Tuning Letter was published in 1991. This year, to celebrate the universe-wide migration to ‘the cloud’, we are replacing the DVD with a new subscriber-only online…

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IBM zCouncil and z/OS Security Health Check Offering

June 26, 2017frankCheryl's ListCheryl Watson, Education, IBM, Security, z/OS, zCouncil

IBM Customer Outreach (Free local education) [From Cheryl] I was very pleased to be invited by Lih Wang of IBM to present at their Chicago z Systems Customer Council event on May 9th. I had a great time and got to meet over a hundred local z customers and IBMers. I learned a lot, and…

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IBM Technical Bulletin, anyone?

June 23, 2017frankCheryl's Listarchives, Cheryl Watson, history, IBM, mainframe, MVS, orange book, pdf, redbook, systems center, technical bulletin, WSC, z/OS

Hopefully all our readers are familiar with the beloved IBM Redbooks.  But our younger readers might not be familiar with Redbooks’ older cousins – Orange books, Yellow books, Blue books, and Green books.  These books (called IBM Technical Bulletins) were very similar in concept to Redbooks, however they were published by IBM’s Systems Centers rather…

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CICS TS 5.3 Red Alert

June 21, 2017frankCheryl's ListCheryl Watson, CICS, IBM, PI82188, Red Alert

IBM announced a Red Alert for CICS TS 5.3 on June 19, 2017 (the first one in nearly 7 months).  This Red Alert is the result of a bug whereby two CICS transactions can be given the same Unit of Work ID (UOWID). The problem arises when the duplicate UOWIDs are passed to a subsystem…

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Considerations for Over-Provisioning z Systems CPCs

June 21, 2017frankCheryl's ListCPC, havekost, holistic capacity planning, MLC, R4HA, utilization, z/OS

Our Tuning Letter subscribers have probably read our article on A Holistic Approach to Capacity Planning in our Tuning Letter 2015 No 4 (pages 55-75). Or you might have seen our SHARE presentations (one is The Cheryl & Frank zRoadshow, SHARE 2016 in San Antonio) where Frank discussed activating more CPs in order to reduce…

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Latest Tuning Letter Emailed to Subscribers

June 5, 2017frankCheryl's List

We emailed Cheryl Watson’s Tuning Letter 2017 No. 1 (140 pages) to our subscribers on May 10.  This is a summary of the main articles: This issue included an article by one of our readers, Ronald Kristel (with invaluable input from IBM’s Tom Wasik) about selecting the optimal JES2 checkpoint configuration. If you are fed…

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New Watson & Walker SCRTPro Service

March 6, 2017frankCheryl's ListAWLC, BMC, CAzE, Cheryl Watson, Cheryl Watson's Tuning Letter, CMLC, Contract Management, IBM, mainframe, mainframe blog, mainframe blogs, MLC Reduction, MWP, SCRT, SCRTPro, Software audits, Software Cost Management as a Service, software costs, Software Pricing, Solution Edition, Watson & Walker, z/OS, zCAP, zWPC

Have you ever been frustrated by the disconnect between MSUs and Dollars (or Euro or Yen or Pesos or whatever)? I expect that many of us have been in the position of trying to explain why reducing your z/OS workload by 10% will not reduce your software bill by 10%.  Or, conversely, that increasing your…

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See You At SHARE in San Jose

February 27, 2017frankCheryl's ListCheryl Watson, mainframe blog, mainframe blogs, mainframe conference, mainframe news, SHARE, SHARE app, Watson & Walker, z/OS 2.3 Preview, z/OS blog, z/OS blogs, z/OS news

See You At SHARE in San Jose! I can tell already that this is going to be one of my worst SHAREs ever.  You see, I’m not very good at handling too much choice.  I can spend 15 minutes in a Hagen Dazs shop trying to choose between Vanilla and Vanilla Chocolate Chip.  So I…

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