Storage Investigate

Performance Value of Solid State Drives Using IBM i

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Executive Summary

Solid State Drives (SSDs) offer a number of advantages over traditional Hard Disk Drives (HDDs). With no seek time or rotational delays, SSDs can deliver substantially better I/O performance than HDDs. Capable of driving tens of thousands of I/O Operations Per Second (IOPS), as opposed to hundreds for HDDs, SSDs break through performance bottlenecks of I/O-bound applications. Applications that require dozens and dozens of "Extra" HDDs for performance can meet their I/O performance requirements with far fewer SSDs, resulting in energy, space, and cost savings. Solid State Drive technology was introduced more than three decades ago. Until recently, however, the high cost-per-gigabyte and limited capacity of SSDs restricted deployment of these drives to niche markets or military applications.

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