John Jones and Ray LaMarca of NetApp came to the Chicago PASS Chapter tonight, and John did a presentation about storage performance. One of my measures of a good performance is the number of questions asked during the presentation, and John's presentation was definitely a winner there. Lots of good questions.
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In the final part of my SQL University serries, I talk about the nightmares of storage: why things change when we’re not looking and why virtualization makes it harder to keep an eye on things.
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In part 2 of this series, I cover magnetic hard drives, solid state drives, and RAID arrays. I explain the pros and cons of each, and I discuss their relative speeds.
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In part 1 of a multi-part series, I talk about what SQL Server stores, why your data and transaction files are usually best kept on separate drive arrays, and why cache doesn’t always help.
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Storage Area Networks (SANs) can do multipathing, but what does that really mean? I explain the differences between failover and performance load balancing, and talk about why active/active multipathing isn’t what it seems.
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