by Cheryl Watson | Jul 27, 2017 | Cheryl's List
IBM’s New z14 By now you’ve all heard all the marketing hype about IBM’s newest mainframe, the z14. What we’d like to do is look at the announcement from the techie’s point of view. First, there is a lot of confusion over the difference...
by Frank Kyne | Jun 26, 2017 | Cheryl's List
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...
by Frank Kyne | Jun 23, 2017 | Cheryl's List
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...
by Frank Kyne | Jun 21, 2017 | Cheryl's List
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...
by Frank Kyne | Jun 21, 2017 | Cheryl's List
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)...
by Frank Kyne | Jun 5, 2017 | Cheryl'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...
