A Study of SSD Reliability in Large Scale Enterprise Storage Deployments

被引：0

作者：

Maneas, Stathis ^{[1
]}

Mahdaviani, Kaveh ^{[1
]}

Emami, Tim ^{[2
]}

Schroeder, Bianca ^{[1
]}

机构：

[1] Univ Toronto, Toronto, ON, Canada

[2] NetApp, Sunnyvale, CA USA

来源：

PROCEEDINGS OF THE 18TH USENIX CONFERENCE ON FILE AND STORAGE TECHNOLOGIES | 2020年

关键词：

NAND FLASH MEMORY; RETENTION; OPTIMIZATION; MODEL;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

This paper presents the first large-scale field study of NAND-based SSDs in enterprise storage systems (in contrast to drives in distributed data center storage systems). The study is based on a very comprehensive set of field data, covering 1.4 million SSDs of a major storage vendor (NetApp). The drives comprise three different manufacturers, 18 different models, 12 different capacities, and all major flash technologies (SLC, cMLC, eMLC, 3D-TLC). The data allows us to study a large number of factors that were not studied in previous works, including the effect of firmware versions, the reliability of TLC NAND, and correlations between drives within a RAID system. This paper presents our analysis, along with a number of practical implications derived from it.

引用

页码：137 / 149

页数：13

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