Zoned Namespaces (ZNS) SSDs: Disrupting the Storage Industry

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Publish Date: 
Wednesday, September 23, 2020
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Abstract: 

The Zoned Namespaces (ZNS) SSDs is a new Command Set in NVMe™, it exposes a zoned block storage interface between the host and the SSD, that allows the SSD to align the data to its media perfectly. As a result, an SSD can now expose more storage capacity (+20%), reduce SSD write amplification (4-5x), and improve I/O access latencies. This talk introduces the Zoned Namespaces Command Set, which defines a new type of namespace (Zoned Namespaces) and the associated Zone Storage Model, optimized for SSDs. We show specific use cases where ZNS applies, and how to take advantage of it and use it in your applications.

Learning Objectives

Zoned Namespaces Command Set,Use-cases,How to use ZNS in host applications

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