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Every time Alex demonstrates charts he produces during IO benchmarks with ORION tool (Oracle I/O Numbers), he hears "Wow! How do you build these?" In this session Alex will teach how to benchmark your storage subsystem and capacity and how to stress test it to the limits. You will learn how easy it is to setup ORION benchmark and collect I/O performance characteristics of your platform and assess scalability of small random I/Os, impact of writes on I/Operformance, impact of different RAID levels, how backups can affect your OTLP traffic, performance of outer areas of disks vs inner areas, and compare SSD with HDD performance. ORION tests are very repeatable so it's a great measuring tool in your Measure, Analyze, Change, Measure cycle.