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Cheryl Watson's Tuning Letter
MQ Statistics – Learning From SMF
Comprehensive Guide to Understanding MQ SMF 115 Statistics Data The mainframe platform produces an incredibly rich set of metrics that exceeds any other. This measurement data can provide a tremendous learning opportunity, both for how various elements of the z/OS ecosystem operate in general, and specifically how those technologies are…
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Video
Smarter Analytics for Mainframe IT Operations
Discover how to transform unpredictable outages into predictable ones by creating Availability Intelligence out of the RMF and SMF data using artificial intelligence techniques. Video Transcript How can your mainframe IT operations benefit from smarter analytics? Of all the systems in your data center, z/OS produces the most…
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Whitepaper
Configuring Pure FlashArray Fibre Channel for Optimal Performance
Best Practices for Configuring Pure FlashArray Fibre Channel Performance With a little over 10 years since they were founded, Pure Storage has made significant inroads in the storage market. The FlashArray platform and Purity operating environment that runs on them were designed with an eye towards performance, simplicity, resiliency, and…
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Blog
Best Practices for Managing your SAN Performance (Part 1: Proactive)
Brett Allison - 21 May 2020 Everyone wants performance analysts to be proactive but what does that really mean? If I look in the dictionary for “proactive”, I find the following definition: “Acting in anticipation of future problems, needs, or changes”. It seems like we need to be some sort of modern soothsayer to be truly proactive. But the right technology can help us be proactive without resorting to the dark…
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Blog
Compressing Wisely with IBM Spectrum Virtualize
Brett Allison - 21 May 2020 This blog was originally published on January 23, 2017. Compression of data in IBM Spectrum Virtualize environment may be a good way to gain back capacity, but there can be hidden performance problems if compressible workloads are not first identified. Visualizing these workloads is…
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Customer Experience
IntelliMagic Vision gives Healthy Storage to Large Health Care Insurer
A leading national health care solutions provider needed an effective solution to help them assure the health of their large disk storage environment. Using IntelliMagic Vision, they moved from reactive fire-fighting of availability issues to proactively preventing performance problems. The health insurance company offers a variety of insurance products to…
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Cheryl Watson's Tuning Letter
How to Achieve Higher Availability and Lower Performance Costs with Asynchronous Db2 Lock Structure Duplexing
Performance Benefits of Asynchronous Duplexing IBM introduced Asynchronous duplexing for the Db2 Coupling Facility (CF) lock structure back in 2016. It took some time for sites to get positioned with the combination of software (z/OS 2.2, Db2 V12) and hardware (z13 CFs) prerequisites. And considering the business-critical role the Db2…
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Webinar
Lessons on Optimizing Processor Cache From z15 Upgrade Case Studies | IntelliMagic zAcademy
Now that significant cycle speed improvements are a thing of the past, delivered capacity on processors beginning with the z13 is more dependent than ever before on effective utilization of processor cache. Since it is likely that one-third to more than half of your total CPU cycles are spent waiting…
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Video
z/OS Tape Workload Distributions
If you have multiple Oracle VSM’s or multiple IBM TS7700 clusters, this video shows an example of how IntelliMagic Vision can easily let you see how well your tape workloads are balanced across the VSM’s or TS7700’s. This display, which we call a Balance perspective IntelliMagic Vision, lets you…
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Webinar
How long is the line, and why? Practical Applications of Queueing Theory for The Rest of Us | IntelliMagic zAcademy
Your mainframe has the capacity to service many requests concurrently. However, as with any system, there are limits. As utilization increases, queues will inevitably develop. This session will look at the applications that are impacted, and whether you need more hardware or can optimize with tuning. You don’t need to…