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Stephen Foskett, Pack Rat

Understanding the accumulation of data

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The I/O Blender Part 1: Ye Olde Storage I/O Path

May 23, 2012 By Stephen 2 Comments

Back in the day, when data was smaller and servers were machines, I/O followed a predictable pattern. Storage arrays could anticipate requests and RAID was beautiful. Then came virtualization, and with it an end to ye olde storage I/O path. Server = HBA = LUN It was a simpler time back in the 1990's. Each server had a SCSI host bus adapter (HBA) of its own. Maybe two, if … [Read more...] about The I/O Blender Part 1: Ye Olde Storage I/O Path

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