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Author: frank

Home Author is frank (Page 6)
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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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z/OS 2.3 Previewed, SCRTPro Service, SHARE Discount

February 24, 2017frankCheryl's ListCheryl Watson, mainframe blog, mainframe blogs, mainframe news, SCRTPro, SHARE Discount, software costs, z/OS, z/OS 2.3, z/OS news

z/OS 2.3 Preview Announced As you are probably aware, IBM issues two announcements for new z/OS releases.  The preview is normally issued in the spring and contains just a list of line items that IBM is confident will be in the release.  The actual full announcement with all line items is issued in the fall. …

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SHARE in San Jose and New IBM Pricing Announcement

February 16, 2017frankCheryl's ListCheryl Watson, EXECUforum, IBM, MVM, performance, SHARE, software costs, Software Pricing, SVC, z/OS

SHARE Conference in San Jose Now that we have Tuning Letter 2016 No. 4 behind us, Cheryl and I are busy working on our presentations for SHARE in San Jose that starts on March 5th. I’m aiming to achieve one of my lifetime ambitions – to have at least ONE of my presentations finished before…

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Cheryl Watson’s Tuning Letter 2016 No. 4 Published

February 13, 2017frankCheryl's List113, Cheryl Watson's Tuning Letter, CPU MF, Data Studio, David Hutton, IntelliMagic, performance, SCRT, software costs, Spark, Todd Havekost, WLM, z/OS, zCAP, zEDC

We emailed Tuning Letter 2016 No. 4 to our subscribers on February 8. This issue provides all you wanted to know (and probably some stuff you didn’t want to know!) about z Systems Collocated Application Pricing (zCAP).  It also discusses the recently-announced z Systems Workload Pricing for Cloud (zWPC), and how you can use Workload…

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Correction, Red Alert, New Function APARs, and Spark Presentation

November 30, 2016frankCheryl's ListAPARs, New Function, Red Alert, SMF, Spark on z/OS

SSR Correction In our blog post on November 6 (http://watsonwalker.com/two-red-alerts/) and our Tuning Letter 2015 No. 3, we incorrectly specified the default status of SSR as disabled.  The default is actually for it to be enabled if the associated Space Constraint Relief data class function is enabled.  We’ve corrected the blog entry, but you may…

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Watson & Walker Alliance with IntelliMagic

November 28, 2016frankCheryl's ListIntelliMagic, SMF

We all know that SMF data is one of the unique strengths of the mainframe.  We have clients that produce terabytes of SMF data every day.  SMF can tell you just about anything you could want to know about your z/OS system – if you have the right tools to turn raw SMF data into…

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