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Tuesday, September 22 • 2:00pm - 2:50pm
Host Managed SMR

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Any problem in computer science can be solved with another layer of indirection. Shingle magnetic recording is no different – the only “difficulty” is to determine where to add the additional layer of indirection/abstraction to enable maximum flexibility and efficiency. Let's go over the various SW/FW paradigms that attempt to abstract away SMR behavior (e.g. user space library, device mapper, SMR aware file system, enlightened application). Along the way, we will also explore what deficiencies are holding back SMR adoption in (e.g. ATA sense data reporting) the data center.

Learning Objectives

Host managed SMR support in Linux
Linux host managed SMR simulator
Linux host managed SMR device mapper
What deficiencies are holding back SMR adoption in (e.g. ATA sense data reporting) the data center
Various SW/FW paradigms that attempts to abstract away SMR behavior
Speakers
avatar for Albert Chen

Albert Chen

Engineering Program Director, WDC
Albert works on software solutions at Western Digital. Prior to WD, he worked as program manager at Microsoft and software/firmware development manager at various startups in the bay area. Albert received BS in Computer Science from Cornell University and is currently pursing MS in... Read More →
avatar for Jim Malina

Jim Malina

Technologist, WDC
Jim Malina is a Technologist of System Architecture at Western Digital. I’ve made a career finding simple solutions for complex problems. Currently evangelizing “storage stack” solutions for next generation of recording media for public and private cloud applications. Previously... Read More →

Tuesday September 22, 2015 2:00pm - 2:50pm PDT
Stevens Creek Room
  Shingled Magnetic Recording (SMR)