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IBM Midrange System Storage Hardware Guide by Alexander Watson, John Sexton, Frank Schubert, Pablo Pedrazas, Corne Lottering, Chris Bogdanowicz, Alessio Bagnaresi, Bruce Allworth, Sangam Racherla

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Solid State Drives on the IBM System Storage DS5000 series
In this section, we discuss Solid State Drives (SSD), which is a new feature of the IBM System Storage DS series that was introduced with the DS5000 storage subsystems. We compare this technology to hard disk drives (HDD), and we base this comparison on tests we ran that compared SSDs to HDDs. Lab tests show a significant performance advantage with SSDs with a substantial reduction in the number of drives needed to meet the desired level of performance. Fewer drives translate into a smaller ...

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