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Expert z/OS performance and cost reduction advice

Watson & Walker provides expert advice for users of IBM z Systems and the z/OS operating system. Our specialties are cost reduction and system stability. Our clients include system programmers, performance analysts, capacity planners, managers, procurement specialists, DBAs, CICS/IMS/WAS/MQ administrators, application developers/designers, Independent Software Vendors (ISVs), and industry consultants. We have saved our clients millions of dollars, and we are ready to do the same for you.

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Our Latest Cheryl’s List Posts

Watson & Walker Release WWUNTERSE Program

Here at Watson & Walker we love SMF data.  And judging by the volumes of it that most z/OS sites generate, we are not the only ones.  SMF can tell you just about anything you could want to know about what is happening on your systems.  The downside of having that vast sea of information...
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Upcoming IBM Network Security Change

In case you have missed it, effective April 30, 2021, IBM is removing support for TLS 1.0 and TLS 1.1 from its software download servers, and all connection attempts after that date will have to use TLS 1.2. If you currently download files using HTTPS, then you should not be affected.  However, if you use...
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SHARE Virtual Starts Today!

In this crazy world in which we find ourselves, it is easy to lose track of familiar milestones - for example, the annual SHARE Winter conference.  If you haven't been keeping abreast of developments in SHARE, there are a lot of things about this year's Winter SHARE that you should be aware of: It starts...
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Cheryl Watson’s Tuning Letter 2020 No. 4 Is Now Available

Subscribers to Cheryl Watson’s Tuning Letter can find the latest, 123-page, issue on our publications website (https://watsonwalkerpublications.com/).  In her Cover page introduction, Cheryl said “You'll find this newsletter to be jam-packed with so many tuning recommendations that I think it will be one of our most popular issues ever.” We hope that you will agree....
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