Openzfs ixsystems5/29/2023 ![]() ![]() This follows a very exciting trend in storage of bypassing the various abstractions that have accumulated over the years that each introduce latency and constraints. Rather than interface at the traditional POSIX file level or block level, LLNL has integrated Lustre with the “native” OpenZFS Data Management Unit or DMU. To this day I am not aware of any proprietary feature flags and am grateful to every vendor who has extended OpenZFS.īrian Behlendorf of Lawrence Livermore National Laboratory and founder of the ZFS on Linux project gave a talk, “Lustre, Supercomputers, and ZFS” which not only described LLNL’s use of OpenZFS but also its integration of OpenZFS with the Lustre parallel file system. This is remarkable given how easily OpenZFS could have fragmented but instead adopted “feature flags” to extend its abilities. Matt Ahrens gave his annual State of the Union address and made the point that an astonishing 45% of OpenZFS lines of code have been added since 2011. Josh Paetzel, Alexander Motin, Jordan Hubbard, Dru Lavigne, Warren Block, Ronald Pagani, Ash Gokhale, Erin Clark and a few other iXsystems staff attended along with myself. The talks day of the event took place at the Children’s Creativity Museum in downtown San Francisco which was where the original ZFSDay took place, then surrounded by the overwhelming Oracle OpenWorld conference. I took the liberty of introducing him to UbuntuBSD and I look forward to more collaboration between users of the different OpenZFS platforms. Kudos to Colin King of Canonical for not only introducing several of us to his “stress-ng” stress testing suite but also for extolling the virtues of unified source trees like those found in the BSDs. Josh Paetzel, Alexander Motin and I met with developers from Delphix, Intel and Canonical, plus a few independents. The first day of the event featured an informal gathering at a Mission District restaurant where we introduced ourselves and learned what people were working on. ZFS co-founder Matt Ahrens announced that OpenZFS has joined Software in the Public Interest (SPI), allowing the project to formally accept tax-deductible donations, the first of which included the long-overdue domain name. Fast forward four years and we have a strong OpenZFS project backed by a strong community and consistent vendor contributions. I attended the first “ZFSDay” back in 2012 and remember the uncertainty surrounding ZFS: Oracle had closed the ZFS and OpenSolaris sources a mere two years earlier and there was still a risk of ZFS being fragmented at the hands of vendors. The 2016 OpenZFS Developer Summit and Hackathon took place September 26th and 27th in San Francisco and showcased the amazing growth that OpenZFS is experiencing as a technology and a project. NOTE: This is historical content that may contain outdated information. ![]()
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