Grown-up ZFS Data Corruption Bug
About this episode
The episode discusses a long-standing ZFS data corruption bug with insights from the Oxide team and co-inventor Matt Ahrens.
Hey hey! We recently tripped over a ZFS data corruption bug–introduced over 18 years ago! Bryan and Adam discuss with members of the Oxide team as well as Matt Ahrens, the co-inventor of ZFS. In addition to Bryan Cantrill and Adam Leventhal , speakers included Alan Hanson, Matt Keeter , Andy Fiddaman, James MacMahon, and special guest, Matt Ahrens. Previously, on Oxide and Friends: OxF s4e6 - Crucible: the Oxide Storage Service OxF s5e28 - Systems Software in the Large Some of the topics we hit on, in the order that we hit them: ZFS fsync can trigger ZIL transaction reordering and data corruption RFD 177: Implementation of Data Storage the "fix" that introduced data corruption PRs needed! If we got something wrong or missed something, please file a PR! Our next show will likely be on Monday at 5p Pacific Time on our Discord server; stay tuned to our Mastodon feeds for details, or subscribe to this calendar . We'd love to have you join us, as we always love to hear from new speakers!
People in this episode
Hosts: Bryan Cantrill, Adam Leventhal
Guest: Matt Ahrens
Topics covered
- ZFS data corruption
- ZIL transaction reordering
- data storage implementation
- Oxide team discussion
- ZFS fsync
- data corruption fix
Keywords
- ZFS
- data corruption
- Oxide
- transaction reordering
- data storage
- fsync
- Matt Ahrens
Mentioned in this episode
Organizations: Oxide Computer Company
Products: ZFS
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