Grown-up ZFS Data Corruption Bug

Nov 26, 2025 · 1h 21m

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On this episode

ALAdam LeventhalHost
BCBryan CantrillHost
AHAlan HansonGuest
AFAndy FiddamanGuest
JMJames MacMahonGuest
MAMatt AhrensGuest

About this episode

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!…