OpenZFS Developer Summit 2019

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OpenZFS Dev Summit 2018

Thanks to our Diamond Sponsors

  • datto
  • Delphix
  • Intel

The seventh annual OpenZFS Developer Summit, which will be held Nov 4-5 in San Francisco. As with previous years: The goal of the event is to foster cross-community discussions of OpenZFS work and to make progress on some of the projects we have proposed. This 2-day event consists of a day of presentation and a 1-day hackathon.

Key Dates

Jul 8, 2019 Conference registration opens
Oct 18, 2019 Waitlist cleared
Nov 4-5 Conference


Title Speaker Company
State of OpenZFS Matt Ahrens Delphix
Metaslab Allocation Performance Paul Dagnelie Delphix
Storage Configurator Steven Umbehocker OSNexus
Capacity Usage Calculator Kody Kantor Joyent
OpenZFS Everywhere Michael Dexter & Jorgen Lundman
Debugging ZFS: State of the Art on Linux Tom Caputi Datto
Debugging ZFS: From Illumos to Linux Serapheim Dimitropoulos Delphix
ZFS TRIM Explained Brian Behlendorf LLNL
Healing With ZFS Receive Alek Pinchuk Datto
Securing the Cloud with ZFS Encryption Jason King Joyent
libshare on Linux is Broken George Wilson & Don Brady Delphix
VDEV Properties Allan Jude Klara Systems
A Device by Any Other Name:
Common Pitfalls in Device Naming for ZFS on Linux
Sara Hartse & Don Brady Delphix
Illumos Brings the SAS Kody Kantor Joyent
Title TBD, re: Dual-Actuator Drives Muhammad Ahmad & Tim Walker Seagate


The first day (Nov 4) will be at the Children's Creativity Museum (221 Fourth Street, San Francisco)

The second day (Nov 5) will be at the Delphix SF office (343 Sansome St, Suite 900, San Francisco)


The hackathon will be on Day 2 of the event (Nov 5), approximately 11am-5pm.

The hackathon is self-organized into small groups. We’ll also have ideas and help available for newcomers. Any topics related to ZFS are fair game. It’s intended to be cooperative, but we do usually have a few small prizes that are awarded by popular vote of the participants.

You may want to bring a laptop with access to a development environment (e.g. an Ubuntu virtual machine). We’ll have folks who can help you set that up too if needed. There are often also hackathon projects whose end result is a design document, proposal for a process change, or documentation. These wouldn’t necessarily require a development environment or even a laptop.


Please reach out to for sponsorship opportunities

Diamond Sponsors

  • datto
  • Delphix
  • Intel

Gold Sponsors

  • Argo Technologie
  • Nexenta
  • OpenDrives
  • RackTop Systems

Code of Conduct

The OpenZFS community values respectful, welcoming behavior towards everyone. This enables our members to thrive and contribute, and encourages new participants to join our event . The OpenZFS Code of Conduct applies to attendees, speakers, sponsors, vendors, and staff of this event, and will be enforced by staff members throughout the event.

Participants asked to stop inappropriate behavior are expected to comply immediately or be expelled from the conference at the discretion of the conference organizers.

To report a violation of the code of conduct, take one of the following actions:

  • Find someone with a “STAFF” badge
  • Call / Text Karyn at +1 415-702-0074
  • Post on @kritter or in #dev-summit

If you see a physically threatening situation, call 911.

Diversity Charter

OpenZFS supports the Diversity Charter, and strives to improve the diversity of speakers and attendees at this event.

Diversity Charter

Previous conferences

OpenZFS Developer Summit 2018

OpenZFS Developer Summit 2017

OpenZFS Developer Summit 2016

OpenZFS Developer Summit 2015

OpenZFS Developer Summit 2014

OpenZFS Developer Summit 2013