Brian Behlendorf
e9a8c6e080
When sequentially resilvering allow a dRAID child to be read as long as the DTLs indicate it should have a good copy of the data and the leaf isn't being rebuilt. The previous check was slightly too broad and would skip dRAID spare and replacing vdevs if one of their children was being replaced. As long as there exists enough additional redundancy this is fine, but when there isn't this vdev must be read in order to correctly reconstruct the missing data. A new test case has been added which exhausts the available redundancy, faults another device causing it to be degraded, and then performs a sequential resilver for the degraded device. In such a situation enough redundancy exists to perform the replacement and a scrub should detect no checksum errors. Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com> Reviewed-by: Andriy Tkachuk <andriy.tkachuk@seagate.com> Reviewed-by: Akash B <akash-b@hpe.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #18405
OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.
Official Resources
- Documentation - for using and developing this repo
- ZoL site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
Installation
Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.
Contribute & Develop
We have a separate document with contribution guidelines.
We have a Code of Conduct.
Release
OpenZFS is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels and Distributions
Linux
Given the wide variety of Linux environments, we prioritize development and testing on stable, supported kernels and distributions.
Kernel (kernel.org)
All longterm kernels from kernel.org are supported. stable kernels are usually supported in the next OpenZFS release.
Supported longterm kernels: 6.18, 6.12, 6.6, 6.1, 5.15, 5.10.
Red Hat Enterprise Linux (RHEL)
All RHEL (and compatible systems: AlmaLinux OS, Rocky Linux, etc) on the full or maintenance support tracks are supported.
Supported RHEL releases: 8.10, 9.7, 10.1.
Ubuntu
All Ubuntu LTS releases are supported.
Supported Ubuntu releases: 24.04 “Noble”, 22.04 “Jammy”.
Debian
All Debian stable and LTS releases are supported.
Supported Debian releases: 13 “Trixie”, 12 “Bookworm”, 11 “Bullseye”.
Other Distributions
Generally, if a distribution is following an LTS kernel, it should work well with OpenZFS.
FreeBSD
All FreeBSD releases receiving security support are supported by OpenZFS.
Supported FreeBSD releases: 15.0, 14.3, 13.5.