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Large-Scale Study of SSD Failures

By Facebook and students from the Carnegie Mellon University
By Jean Jacques Maleval on 2015.06.15

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A Large-Scale Study of Flash Memory Failures in the Field
Servers use SSDs as a high-performance alternative to HDD drives to store persistent data. Unfortunately, recent increases in flash density have also brought about decreases in chip-level reliability. In a data center environment, flash-based SSD failures can lead to downtime and, in the worst case, data loss. As a result, it is important to understand flash memory reliability characteristics over flash lifetime in a realistic production data center environment running modern applications and system software.

Read also this article from ZDNet:
Facebook's SSD findings: Failure, fatigue and the data center
SSDs revolutionized data storage, even though we know little about how well they work. Now researchers at Facebook and Carnegie-Mellon share millions of hours of SSD experience.

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