John Ticic joined IntelliMagic as a consultant in 2008. He started as mainframe systems programmer in 1984 and maintained, tuned, and upgraded a large number of MVS-based systems. John has extensive experience in planning and implementing large XRC and GDPS/PPRC installations. Furthermore, he developed many STK/SUN VSM performance analysis tools. At IntelliMagic he is dedicated to interacting with European customers and prospects, and he helps them gain even more benefits from the IntelliMagic solutions through interactive on-site classes and consulting assignments. He also helps development designing enhancements of the products in the z/OS Disk, z/OS Tape and z/OS Systems areas.
Resources created by John Ticic
Processor Topology – A Picture Says 1024 Words
We all know that our z/OS LPARs rely on processors to execute the code to run our business. We also need to plan on having sufficient resources available for our workload when we design our LPARs.
Despite the benefits - zIIP processors are typically less expensive to purchase and also run at full speed on sub-capacity CPU models - zIIP processor usage may not always be what one hopes for.
Break Open Your VSM Black Box and Expose Internal Tape Processing
When virtual tape systems don't run properly or you need to examine detailed tape information, the virtualization makes it hard to see what is really going on inside the black box.