z/OS Archives - Watson Walker

W&W Guide to SHARE in Kansas City (Part 1)

August 4, 2024frankCheryl's ListKansas City, SHARE, tips, W&W, z/OS

The 2024 Summer SHARE conference will be held in the Kansas City Convention Center and the adjoining Kansas City Loews Hotel, starting tomorrow, Sunday, August 4. This one is a 4+-day conference, with sessions starting on Sunday afternoon, and with the last day (Thursday) being a full day. If you are attending, check out the agenda and download...

Cheryl Watson’s Tuning Letter 2024 No. 1 Now Available

May 16, 2024frankCheryl's ListAltair SLC, Cheryl Watson, Frank Kyne, performance, Ransomware, SMF, Tuning Letter, z/OS, zEDC, zPCR

Subscribers to Cheryl Watson’s Tuning Letter can find the latest 92-page issue, 2024 No.1, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: Exciting news about the future of the Tuning Letter. Following discussions with a number of interested parties, Cheryl and Tom announced on May 10 that they have reached a tentative...

2023 Watson & Walker CPU Chart Updated for Latest z16 Models

May 23, 2023frankCheryl's ListCapacity, Cheryl Watson, CPU Chart, MIPS, MSUs, performance, software costs, Watson & Walker, z/OS, z16

The latest edition of Cheryl’s CPU Chart is now available to subscribers on our publications website. This update adds the information for the 156 z16 A02/AGZ models to the existing database that reaches all the way back to the z900 models (a total of 2810 IBM mainframe models). In addition to the spreadsheet that contains over 40 attributes...

Winter 2023 SHARE Conference Is on Next Week

March 1, 2023frankCheryl's ListAI, Cheryl Watson, Frank Kyne, SHARE, WLM, z/OS

The 2023 Winter SHARE conference will be held in the Atlanta Hyatt Regency hotel next week. This is an abbreviated conference (3 full days - Monday to Wednesday), however there are more sessions on Sunday than normal, so if you are attending check out the agenda to see if any of those Sunday sessions would...

Cheryl Watson’s Tuning Letter 2022 No. 4 Available Now

February 6, 2023frankCheryl's ListCapacity Planning, Cheryl Watson, Frank Kyne, Matthew Leming, MIPS, MQ, MSUs, Software Risk Assessment, Todd Havekost, XCF, z/OS, z/OSMF, z16, zPCR

Subscribers to Cheryl Watson’s Tuning Letter can find the latest 139-page issue, 2022 No. 4, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: One of the most consistently popular Tuning Letter articles is the User Experiences and Tips one. This issue’s article opens with a reminder to readers that the FREE GSE UK 3-day virtual...

Winter 2022 SHARE Conference

March 25, 2022frankCheryl's ListCheryl Watson's Tuning Letter, Conference, IBM, mainframe, performance, SHARE, z/OS

Hopefully all our readers are aware that the first face-to-face SHARE conference in two years is taking place in Dallas, Texas next week. Because this is the first transition back to a live format, this will be a truncated conference, in terms of its duration and the number of tracks. Rather than the normal five...

Cheryl Watson’s Tuning Letter 2021 No. 4 Now Available

February 15, 2022frankCheryl's ListCheryl Watson's Tuning Letter, COBOL, IBM, Java, mainframe, performance, z/OS

Subscribers to Cheryl Watson’s Tuning Letter can find the latest 146-page issue, 2021 No. 4, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: 2021 ended with the world’s media full of stories about the ‘Log4j vulnerability’, and how it was possibly the largest ever security exposure. Log4j is an open source...

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…

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…

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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