Episode 32 "Scott Free"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
Episode 32 "Scott Free" What’s New Preview of z/OS 3.1 Mainframe - SMFLIMxx Parmlib Member IEFUSI exit replacement with a parmlib member, related to storage and limits that can be specified. Functions are delivered as continuous delivery, such as the SAF check filter, and number of shared pages used. In z/OS 3.1: Dedicated Real Memory Pools to assign memory to a specific application, like zCX, in all frame sizes. Performance - Open Data Sets, Part 1 Looking at many open data sets (100s of thousands) for middleware. ALLOCxx's SWBSTORAGE has to specify ATB to put control blocks above the ba ..read more
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Episode 31 "Take it to the Macs"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
Episode 31 "Take it to the Macs" show notes. This episode is about our After Show. (What is that?) Long show notes can be found here. What’s New New news for CustomPac removal date, it is July 10, 2022. Data Set File System released OA62150 closed April 28th, 2022 only on z/OS V2.5 Mainframe - z/OS Management Services Catalogs: Importance of z/OSMF Workflows z/OS Management Services Catalog, zMSC, allows you to customize a z/OSMF Workflow for your enterprise, and publish it in a catalog for others to "click and use". There are 7 initial sample Services that IBM provides, or you can provide ..read more
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Episode 30 "Choices Choices"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
Short show notes - long show notes here We have a special guest joining us for the performance topic, Scott Ballentine. What’s New New news for CustomPac removal date, which has been extended past January 2022. The reason was to accommodate the desired Data Set Merge capability in z/OSMF which customers needed. For the new withdrawl date, it is planned to be announced in 2Q2022. Mainframe - Only in V2.5 This topic was looking at some new functions that are only in z/OS V2.5. Data Set File System, planned to be available in 1Q 2022. Dynamic Change Master Catalog RACF data base encryption ha ..read more
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Episode 29 "Hello Trello"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
This episode is about how to be a better z/OS installation specialist, z/OS capture ratios, and a discussion on using Trello. We have a special guest joining us for the performance topic, Miroslava Barahona Rossi.  Long show notes are found here . Mainframe - Being a Better Installation Specialist "Better" here means lessons learned, not competing with people. "Installation Specialist" might just as well have used "System Programmer" or another term. There's definitely a reason to be optimistic about being a person that does that Installation Specialist or System Programmer type of wor ..read more
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Episode 28 "The Preview That We Do Anew"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
This episode is about several of the z/OS V2.5 new functions, which were recently announced, for both the Mainframe and Performance topics. Our Topics topic is on Martin's Open Source tool filterCSV.  Full long show notes are here. We have a guest for Performance: Nick Matsakis, z/OS Development, IBM Poughkeepsie. Many of the enhancements you'll see in the z/OS V2.5 Preview were provided on earlier z/OS releases via Continuous Delivery PTFs. The APARs are provided in the announce. If you use FTPS for your IBM software electonic delivery, a change is taking place on April 30, 2021. We stro ..read more
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Episode 27 "And Another Thing"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
Episode 27 "And Another Thing" show notes.  Long show note are here. Follow up Additional System Recovery Boost enhancements: Sysplex partitioning recovery: Boosts all surviving systems in the sysplex as they recover and takes on additional workload following the planned or unplanned removal of a system from the sysplex. Two more portable software instances: Db2 and IMS added to Shopz on Aug 20, 2020, in addition to CICS (Dec 2019). ASK MPT Martin was asked about which systems in a System Recovery Boost Speed Boost situation get their GCPs sped up to full speed. Mainframe - Trying ou ..read more
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Episode 26 "Sounding Board"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
Here are the show notes for Episode 26 "Sounding Board". The show is called this because it relates to our Topics topic, and because we recorded the episode partly in the Pougkeepsie recording studio where Martin sounded zen, and partly at home. What’s New APAR PH21919: NEW FUNCTION - WORKFLOW SUPPORT SAVE JOB OUTPUT PTF Numbers are UI68359 for 2.3 and UI68360 for 2.4 APAR OA56774 (since 2.2) Provides new function to prevent a runaway sysplex application from monopolizing a disproportionate share of CF resources Not based on CF CPU consumption. Is based on deteriorating service times to o ..read more
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Episode 24 "Our Wurst Episode"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
Here are the show notes for Episode 24 “Our Wurst Episode”. The show is called this because we both attended the IBM TechU in Berlin, Germany, and our Topics topic is our trip report. Mainframe Topic: CICS ServerPac in z/OSMF IBM’s first delivery on new installation strategy, will be with CICS and associated SREL products. This is the first of many (really, all). Choice on new installation strategy or old during ShopZ ordering. We encourage making the z/OSMF choice, as that is consistent between IBM and other vendors, and is intended to be easier. Infrastructure already available in continuou ..read more
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Episode 23 "The Preview that We Do"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
Here are the show notes for Episode 23 “The Preview That We Do”. The show is called this because we talk about the newly previewed z/OS release, V2.4, in the Mainframe section. This is our 24th episode too! How convenient! Mainframe: z/OS V2.4 Preview “z/OS Container Extensions” (zCX)  zCX Information z/OS Upgrade Workflow, no book More in Pervasive Encryption zFS enhancements MCS logon passphrases Biggest question one may have: what level of HW will z/OS V2.4 IPL on? z/OS V2.4 will run on zEC12/BC12 and higher. Performance: Coupling Facility Structure Duplexing Two types of CF st ..read more
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Episode 22 "Great App-spectations"
Mainframe, Performance, Topics Podcast
by Marna Walle
1y ago
Here are the show notes for Episode 22 “Great App-spectations”. The show is called this because we talk about app expections in our Topics topic. Mainframe: PI99365 Two enhancements in z/OSMF Operator Consoles Support for “sticking” WTOR and held messages on the top of the console area Visible EMCS console name View WTOR and HOLD messages in a separate window Visible console name part Overall: These two function areas help you manage your z/OSMF operator consoles better. Performance: Paging Subsystem Design in an age of Virtual Flash Performance: Paging Subsystem Design in an age of Virtua ..read more
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