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Wednesday, March 11 • 11:30am - 12:20pm
SMR in Linux Systems -- Seagate's Contribution to Legacy Filesystems - Adrian Palmer, Seagate

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Seagate’s Shingled Magnetic Recording Friendly File System (SMRFFS) is a effort to enable SMR use in Linux systems by taking advantage of the new zoned block device interfaces standards. Current developmental work focuses on ext4, with xfs and others to follow as SMR drives begin to permeate the market. Changes in ext4 includes modifications that respect the primary rule introduced by SMR: forward-write preferred. We demonstrate taking the T10/13 specs and aligning them in the legacy File System. This reduces the time for market convergence and the continued use of legacy software on upgraded legacy filesystems with new SMR drives. By transforming ext4 into a Host Aware SMR Friendly File System, we leverage the reliability record and performance of ext4 with a new generation of hardware.

Speakers
AP

Adrian Palmer

Adrian Palmer holds a MS of Electrical Engineering and a BS of Computer Engineering and Math, all from the University of Wyoming. He has spent over 10 years in Systems Administration, and has hobbyist experience in Linux and UNIX systems, creating router/gateway and NAS systems. In 1999, he was the first public high school student to earn an MCSE. Adrian currently works at Seagate and leads the SMRFFS project, contributing to the open source... Read More →


Wednesday March 11, 2015 11:30am - 12:20pm
Studio 3