SNIA Podcasts

Storage Developer Conference Podcast Series

Every week the Storage Developer Conference (SDC) podcast series presents important technical topics to the Storage Developer community. Each episode is hand-selected by the SNIA Technical Council from the presentations at SDC.

This week’s highlighted Podcast: #202: What is the NVM Express® Flexible Data Placement (FDP) by  Michael Allison, Samsung, and John Rudelic, Solidigm Technology (MP3, Video, PDF of Slides)

This presentation by provides an overview of the NVM Express® ratified technical proposal TP4146 Flexible Data Placement and shows how a host can manage its user data to capitalize on a lower Write Amplification Factor (WAF) by an SSD to extend the life of the device, improve performance, and lower latency. Mike Allison, the lead author of the technical proposal will cover: a) The new terms associated with FDP (e.g., Placement Identifier, Reclaim Unit, Reclaim Unit Handle, Reclaim Groups, etc.); b) Enabling the FDP capability; c) Managing the Reclaim Unit Handles during namespace creation; d) How I/O writes place of the user data to a Reclaim Unit; e) The differences between other placement capabilities supported by NVM Express.

Learning Objectives 1) Obtain an understanding of the architecture of the NVM Express Flexible data placement (FDP) capability; 2) Learn how issue I/O write commands to place user data and avoid SSD garbage collection; 3) Understand the differences between FDP, ZNS, and Streams.

The Podcast can be downloaded on iTunes.



Note: SNIA Podcasts are provided as information only. Articles and guests that appear on any SNIA programs express the opinions, experience, technical positions, and research of those authors and guests and not necessarily those of the SNIA.

SNIA Podcasts Copyright 2007 -  2023. All rights reserved. No part of any SNIA Podcast may be reproduced, stored in a retrieval system, or transcribed, in any form or by any means, photocopying, electronic, mechanical recording or otherwise for personal or professional financial gain, without prior permission in writing of the publisher, SNIA, 5201 Great America Parkway, Suite 320, Santa Clara, CA 95054 USA