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== [[OpenZFS Developer Summit 2020]] ==
== [[OpenZFS Developer Summit 2021]] ==


The 2020 [[OpenZFS_Developer_Summit_2020 | OpenZFS Developer Conference]] is being held '''October 6-7 (Tue-Wed)''', as an online conference.
[[File:OZDS2021.png| right | 290px | OpenZFS Dev Summit 2021]]
The ninth annual OpenZFS Developer Summit was held Nov 8-9, 2021.


===Tuesday Schedule (Pacific Time)===
{| class="wikitable"
{| class="wikitable"
|-
|-
!Time!!Title!!Speaker!!Company
!Title!!Speaker!!Company!!Slides/video
|-
|-
|style="text-align:center;"|9:00 - 9:20||State of OpenZFS||Matt Ahrens||Delphix
|State of OpenZFS||Matt Ahrens||||[https://docs.google.com/presentation/d/1xSVYa7F4UGgMtLdyzbeUktJIlwtrPBMPIJvGFYjx3Vc/edit?usp=sharing slides] [https://youtu.be/RiLSdwx1yhU video]
|-
|-
|style="text-align:center;"|9:20 - 9:40||[[OpenZFS_Developer_Summit_2020_talks#ZFS_Caching:_How_Big_Is_the_ARC.3F_.28George_Wilson.29 | ZFS Caching: How Big Is the ARC?]]||George Wilson || Delphix
|[[OpenZFS_Developer_Summit_2021_talks#The_Addition_of_Direct_IO_to_ZFS_.28Brian_Atkinson.29 | DirectIO for ZFS]]||Brian Atkinson||Los Alamos National Lab||[https://docs.google.com/presentation/d/1f9bE1S6KqwHWVJtsOOfCu_cVKAFQO94h/edit?usp=sharing&ouid=112595186103367032517&rtpof=true&sd=true slides] [https://youtu.be/cWI5_Kzlf3U video]
|-
|-
|style="text-align:center;"|9:40 - 10:00||[[OpenZFS_Developer_Summit_2020_talks#Persistent_L2ARC_.28George_Amanakis.29 | Persistent L2ARC]]||George Amanakis||Independent
|[[OpenZFS_Developer_Summit_2021_talks#ZFS_on_Object_Storage_.28Delphix_Team.29 | ZFS on Object Storage]]||George Wilson, Matt Ahrens, Paul Dagnelie, Manoj Joseph||Delphix||[https://docs.google.com/presentation/d/1HCswW3mvc2Nnn0EdkNWAptQ_T1W9kjjBwEDDXwSco7k/edit?usp=sharing slides] [https://youtu.be/opW9KhjOQ3Q video]
|-
|-
|style="text-align:center;"|10:00 - 10:20||BREAK / BREAKOUT sessions||||
|[[OpenZFS_Developer_Summit_2021_talks#ZFS_performance_on_Windows_.28Imtiaz_Mohammad.29 | ZFS performance on Windows]]||Imtiaz Mohammad||DataCore||[https://docs.google.com/presentation/d/1vcKWOCgw5G3YLiNSolWXg26eK4w7a_iG/edit?usp=sharing&ouid=112595186103367032517&rtpof=true&sd=true slides] [https://youtu.be/DmJ0uxF0wes video]
|-
|-
|style="text-align:center;"|10:20 - 11:00||[[OpenZFS_Developer_Summit_2020_talks#ZIL_Design_Challenges_for_Fast_Media_.28Saji_Nair.29 | ZIL Performance Improvements for Fast Media]]||Saji Nair||Nutanix
|[[OpenZFS_Developer_Summit_2021_talks#A_New_ZIL_That_Keeps_Up_With_Persistent_Memory_Latency_.28Christian_Schwarz.29 | A New ZIL That Keeps Up With Persistent Memory Latency]]||Christian Schwarz||Independent||[https://docs.google.com/presentation/d/1kiWrpqvl8T9gHjZmG7Pk0f7mE5LEPCmZnbtUFUsuM9g/edit?usp=sharing slides] [https://youtu.be/2ouRsQEbusk video]
|-
|-
|style="text-align:center;"|11:00 - 11:20||BREAK / BREAKOUT sessions||||
|[[OpenZFS_Developer_Summit_2021_talks#ZettaCache:_fast_access_to_slow_storage_.28Mark_Maybee.2C_Serapheim_Dimitropoulos.29 | ZettaCache: fast access to slow storage]]||Mark Maybee, Serapheim Dimitropoulos||Delphix||[https://docs.google.com/presentation/d/1r2P2kQHozr_RDLLf5JgPXqJOdVE7VlxH9B92jGAODLI/edit?usp=sharing slides] [https://youtu.be/GgPOO82OxEI video]
|-
|-
|style="text-align:center;"|11:20 - 11:40||[[OpenZFS_Developer_Summit_2020_talks#Sequential_Reconstruction_.28Mark_Maybee.29 | Sequential Reconstruction]]||Mark Maybee||Cray
|[[OpenZFS_Developer_Summit_2021_talks#Improving_ZFS_send.2Frecv_.28Jitendra_Patidar.29 | Improving ZFS send/recv]]||Jitendra Patidar||Nutanix||[https://docs.google.com/presentation/d/1DHXaBQcw3MmeZzg-Y5FEgStGEFHi4IfwN5VfgzNLKPA/edit?usp=sharing slides] [https://youtu.be/B6HFHPXJYGc video]
|-
|-
|style="text-align:center;"|11:40 - 12:20||[[OpenZFS_Developer_Summit_2020_talks#dRAID.2C_Finally_.28With_a_New_Tile_Layout.29_.28Mark_Maybee.29 | dRAID, Finally!]]||Mark Maybee||Cray
|[[OpenZFS_Developer_Summit_2021_talks#Adding_Logical_Quotas_to_ZFS_.28Sanjeev_Bagewadi.29 | Adding Logical Quotas to ZFS]]||Sanjeev Bagewadi|| Nutanix||[https://docs.google.com/presentation/d/1o2bhd5eKNoJhzqyj9GjA7lsZPhATL6NxozvZ5XCOjUo/edit?usp=sharing slides] [https://youtu.be/7dG9QPG7RoA video]
|-
|-
|style="text-align:center;"|12:20 - 1:20||LUNCH / BREAKOUT sessions||||
|[[OpenZFS_Developer_Summit_2021_talks#VDEV_Properties_.28Allan_Jude.29 | VDEV Properties]]||Allan Jude, Mark Maybee||Klara Systems, Delphix||[https://docs.google.com/presentation/d/10JXk6Rmvee86eoTLr-SNy13pwKknO7UU/edit?usp=sharing&ouid=112595186103367032517&rtpof=true&sd=true slides] [https://youtu.be/Yy8fhyrBV-Y video]
|-
|style="text-align:center;"|1:20 - 2:00||[[OpenZFS_Developer_Summit_2020_talks#Send.2FReceive_Performance_Enhancements_.28Matt_Ahrens.29 | Send/Receive Performance Enhancements]]||Matt Ahrens ||Delphix
|-
|style="text-align:center;"|2:00 - 2:20||BREAK / BREAKOUT sessions||||
|-
|style="text-align:center;"|2:20 - 2:40||[[OpenZFS_Developer_Summit_2020_talks#Improved_.E2.80.9Czfs_diff.E2.80.9D_performance_with_reverse-name_lookup_.28Sanjeev_Bagewadi_.26_David_Chen.29 | Improving “zfs diff” performance with reverse-name lookup]]|| Sanjeev Bagewadi & David Chen || Nutanix
|-
|style="text-align:center;"|2:40 - 3:00||[[OpenZFS_Developer_Summit_2020_talks#Performance_Troubleshooting_.28Gaurav_Kumar.29 | Performance Troubleshooting Tools]]||Gaurav Kumar|| Nutanix
|-
|style="text-align:center;"|3:00 - 3:10||Closing||Matt Ahrens ||Delphix
|-
|style="text-align:center;"|3:10 - 4:10||hang out||everyone||
|}
|}


===Wednesday Schedule (Pacific Time)===
Hackathon presentations [https://youtu.be/AkWVDs5VZIY video]


{| class="wikitable"
== Introduction to OpenZFS ==
|-
!Time!!Title!!Speaker!!Company
|-
|style="text-align:center;"|9:00 - 9:10||Intro||Matt Ahrens||Delphix
|-
|style="text-align:center;"|9:10 - 9:30||[[OpenZFS_Developer_Summit_2020_talks#File_Cloning_with_Block_Reference_Table_.28Pawel_Dawidek.29 | File Cloning with Block Reference Table]]||Pawel Dawidek||Fudo Security
|-
|style="text-align:center;"|9:30 - 9:40||[[OpenZFS_Developer_Summit_2020_talks#Default_Compatible_Pool_Features_.28Josh_Paetzel.29 | Default-Compatible Pool Features]]|| Josh Paetzel||Panzura
|-
|style="text-align:center;"|9:40 - 10:10||Additional pitches||TBD day-of||
|-
|style="text-align:center;"|10:10 - 4:00||hacking!||everyone||
|-
|style="text-align:center;"|4:00 - 5:00||Hacking presentations, voting & awards||everyone||
|-
|style="text-align:center;"|5:00 - 6:00||hang out||everyone||
|}
 
===Thanks to our Sponsors!===
====Diamond Sponsors====
<div><ul>
<li style="display: inline-block; padding: 20px;"> [[File: Delphix logo.png|150px|link=http://www.delphix.com | Delphix]] </li>
</ul></div>


====Platinum Sponsors====
'''OpenZFS''' is an open-source storage platform. It includes the functionality of both traditional file systems and volume manager. It has many advanced [[Features | features]] including:
<div><ul>
* Protection against data corruption. Integrity checking for both data and metadata.
<li style="display: inline-block; padding: 20px;">[[File: OsNexus.png|180x180px|link=http://www.osnexus.com/ | OSNEXUS ]] </li>
* Continuous integrity verification and automatic “self-healing” repair
</ul></div>
** Data redundancy with mirroring, RAID-Z1/2/3 [and DRAID]
* Support for high storage capacities — up to 256 trillion yobibytes (2^128 bytes)
* Space-saving with transparent compression using LZ4, GZIP or ZSTD
* Hardware-accelerated native encryption
* Efficient storage with snapshots and copy-on-write clones
* Efficient local or remote replication — send only changed blocks with ZFS send and receive


== OpenZFS ==
== Contributing to OpenZFS ==
The OpenZFS project brings together developers from the Linux, FreeBSD, illumos, MacOS, and Windows platforms.  OpenZFS is supported by a wide range of companies.


OpenZFS brings together developers and users from various open-source forks of the original ZFS on different platforms and we're always looking to grow our community. There are a multitude of ways to contribute to the project and contributors are happy to help newcomers. As we add diverse perspectives, our community becomes richer, and we're committed to creating an environment where all people feel welcome.  [[Newcomers | Information for new contributors is available here.]]
There are many ways to contribute to OpenZFS including:
* OpenZFS uses [https://github.com/openzfs/zfs GitHub] to track [https://github.com/openzfs/zfs/issues bug reports] and [https://github.com/openzfs/zfs/pulls feature development]
* A monthly [[OpenZFS_Leadership_Meeting | OpenZFS Leadership Meeting]] Zoom call to discussion active development
* The annual [[OpenZFS_Developer_Summit | OpenZFS Developer Summit]]


Primary activities of the community include:
== Get Started with OpenZFS ==
* Group discussions in the openzfs slack group (openzfs.slack.com) <== instructions for joining
[https://openzfs.github.io/openzfs-docs/Project%20and%20Community/FAQ.html Frequently Asked Questions]
* Monthly [https://docs.google.com/document/d/1w2jv2XVYFmBVvG1EGf-9A5HBVsjAYoLIFZAnWHhV-BM/edit Leadership Team Meeting]
* Annual [[OpenZFS Developer Summit]]
* Individual and company presentations around the world promoting OpenZFS
* Reduce platform differences (see [https://docs.google.com/spreadsheets/d/1CFapSYxA5QRFYy5k6ge3FutU7zbAWbaeGN2nKVXgxCI/edit#gid=0 ongoing project spreadsheet])


OpenZFS is an associated project of SPI ([https://www.spi-inc.org/projects/openzfs/ Software in the Public Interest]).  SPI is a 501(c)3 nonprofit organization which handles our donations, finances, and legal holdings.  You can donate to OpenZFS using the link below:
[[Newcomers | OpenZFS concepts]]


<html>
A non-exhaustive list of [[Features | OpenZFS features]]
<br>
<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
<input type="hidden" name="cmd" value="_s-xclick" />
<input type="hidden" name="hosted_button_id" value="X6KB4BFPRFAG6" />
<input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif" name="submit" alt="Donate to OpenZFS via PayPal" />
<img alt="" src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" width="1" height="1" />
</form>
<br>
</html>
 
== Overview ==
 
OpenZFS was [[announcement | announced in September 2013]] as the truly '''open source''' [[History | successor to the ZFS project]]. Our community '''brings together developers''' from the illumos, FreeBSD, Linux, macOS, NetBSD, and Windows [[distributions | platforms]], and a wide range of [[companies]] that build products on top of OpenZFS.
 
OpenZFS is an '''outstanding storage platform''' that encompasses the functionality of traditional filesystems, volume managers, and more, with consistent reliability, functionality, and performance across all [[distributions]]:
 
{| class="wikitable"
| '''illumos'''
|[https://illumos.org/docs/about/features/ Webpage]
|[https://github.com/illumos/illumos-gate/ GitHub]
|-
| '''ZoF – ZFS on FreeBSD'''
|[https://zfsonfreebsd.github.io/ZoF/ Webpage]
|[https://github.com/zfsonfreebsd/ZoF GitHub]  
|-
| '''ZoL – ZFS on Linux'''
|[http://zfsonlinux.org/ Webpage]
|[https://github.com/zfsonlinux/zfs/ GitHub]
|-
| '''OpenZFS on macOS'''
|[https://openzfsonosx.org/ Webpage]
|[https://github.com/openzfsonosx/ GitHub]
|-
| '''OpenZFS on Windows'''
|[https://openzfsonwindows.org/ Webpage]
|[https://github.com/openzfsonwindows/ GitHub]
|}


== Project Goals ==
== OpenZFS Technical Resources ==
[https://openzfs.github.io/openzfs-docs/Getting%20Started/index.html How to install OpenZFS]


The high-level goals of OpenZFS are to:
[https://openzfs.github.io/openzfs-docs/man/index.html OpenZFS manual pages]
* '''raise awareness''' of the quality, utility, and availability of open source implementations of ZFS,
* encourage '''open communication''' about ongoing efforts to improve open source ZFS, and
* ensure '''consistent reliability''', functionality, and performance of all distributions of ZFS.


The main technical goal of OpenZFS is [https://docs.google.com/spreadsheets/d/1CFapSYxA5QRFYy5k6ge3FutU7zbAWbaeGN2nKVXgxCI/edit#gid=0 easier sharing of code] between platforms.
Feature Details. Detailed subsystem/feature blogs, on-disk format specifications: [[Developer_resources | Developer Resources]]


== Donate ==
== Donate ==

Revision as of 21:44, 15 November 2021

Welcome to OpenZFS

OpenZFS Developer Summit 2021

OpenZFS Dev Summit 2021

The ninth annual OpenZFS Developer Summit was held Nov 8-9, 2021.

Title Speaker Company Slides/video
State of OpenZFS Matt Ahrens slides video
DirectIO for ZFS Brian Atkinson Los Alamos National Lab slides video
ZFS on Object Storage George Wilson, Matt Ahrens, Paul Dagnelie, Manoj Joseph Delphix slides video
ZFS performance on Windows Imtiaz Mohammad DataCore slides video
A New ZIL That Keeps Up With Persistent Memory Latency Christian Schwarz Independent slides video
ZettaCache: fast access to slow storage Mark Maybee, Serapheim Dimitropoulos Delphix slides video
Improving ZFS send/recv Jitendra Patidar Nutanix slides video
Adding Logical Quotas to ZFS Sanjeev Bagewadi Nutanix slides video
VDEV Properties Allan Jude, Mark Maybee Klara Systems, Delphix slides video

Hackathon presentations video

Introduction to OpenZFS

OpenZFS is an open-source storage platform. It includes the functionality of both traditional file systems and volume manager. It has many advanced features including:

  • Protection against data corruption. Integrity checking for both data and metadata.
  • Continuous integrity verification and automatic “self-healing” repair
    • Data redundancy with mirroring, RAID-Z1/2/3 [and DRAID]
  • Support for high storage capacities — up to 256 trillion yobibytes (2^128 bytes)
  • Space-saving with transparent compression using LZ4, GZIP or ZSTD
  • Hardware-accelerated native encryption
  • Efficient storage with snapshots and copy-on-write clones
  • Efficient local or remote replication — send only changed blocks with ZFS send and receive

Contributing to OpenZFS

The OpenZFS project brings together developers from the Linux, FreeBSD, illumos, MacOS, and Windows platforms. OpenZFS is supported by a wide range of companies.

There are many ways to contribute to OpenZFS including:

Get Started with OpenZFS

Frequently Asked Questions

OpenZFS concepts

A non-exhaustive list of OpenZFS features

OpenZFS Technical Resources

How to install OpenZFS

OpenZFS manual pages

Feature Details. Detailed subsystem/feature blogs, on-disk format specifications: Developer Resources

We accept donations to cover our ongoing costs.

OpenZFS is an associated project of SPI (Software in the Public Interest). SPI is a 501(c)(3) nonprofit organization which handles our donations, finances, and legal holdings. You can donate through paypal using the link below:



Twitter