SRCMap: energy proportional storage using dynamic consolidation
FAST'10 Proceedings of the 8th USENIX conference on File and storage technologies
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Server storage systems use numerous disks to achieve high performance, thereby consuming a significant amount of power. Intradisk parallelism can significantly reduce such systems' power consumption by letting disk drives exploit parallelism in the I/O request stream. By doing so, it's possible to match, and even surpass, a storage array's performance for these workloads using a single, high-capacity disk drive.