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As data wends it way from hosts, through the fabric and to the array, it encounters many potential bottlenecks. But that also means there are a number of ways to improve storage subsystem performance. The key to the tuning process is a thorough understanding of your application requirements. This podcast series uncovers those helpful tips and tricks.
LESSON 1 * Comparing disk options
SUMMARY: Understanding the types of available arrays and what the particular performance metrics of those arrays are, can help you gain a better understanding of how to optimize your storage operation. In this podcast with president of Silverton Consulting, Ray Lucchesi, you'll quickly learn the very technical merits of different types of disk. Ray uncovers throughput, seek times, capacity and other disk specs in a side-by-side comparison of disk classes. Ray also touches on disk caching and transfer speeds.
LESSON 2 * Disk performance – where the pitfalls lie
SUMMARY: What can shatter your disk performance? President of Silverton Consulting Ray Lucchesi covers -- in technical detail -- where performance hits may strike. In this short podcast Lucchesi explains how caching functionality, RAID and replication can all impact I/O. Ray will also look at the subsystem features or options that have the largest impact on I/O performance. A good deal of this podcast is devoted to response time improvements and throughput.
LESSON 3 * Hidden performance roadblocks
SUMMARY: There are more subtle performance inhibitors in the array and network that you may not be aware of. In lesson three of SearchStorage.com's array performance podcast series, Ray Lucchesi exposes you to these hard to quantify areas which can impact I/O performance. Once you have optimized the primary performance drivers, you might want to look at these secondary points that can be used to produce additional performance gains and insights into your workload performance.
LESSON 4 * Performance monitoring tools
SUMMARY: In last part of the array performance podcast series, Ray Luchessi discusses tools used to monitor subsystem performance and what you should be looking for. Also, Ray will guide you to when you should performance decisions and choices. Finally, Ray wraps up talking about subsystem performance benchmarks, current issues and places to go for more performance information.
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About the speaker Ray Lucchesi
Ray Lucchesi is president of Silverton Consulting, a Strategy, Storage & Systems consultancy based in Colorado. He has worked in the data storage industry for over 25 years mostly in engineering/directing the development of new enterprise class disk and tape storage products at StorageTek and elsewhere.
Copyright 2006 TechTarget