OpenZFS on Linux and FreeBSD
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George Amanakis f28cd347c4 Store the L2ARC device ashift in the vdev label
If this is not done, and the pool has an ashift other than the default
(at the moment 9) then the following happens:

1) vdev_alloc() assigns the ashift of the pool to L2ARC device, but
   upon export it is not stored anywhere
2) at the first import, vdev_open() sees an vdev_ashift() of 0 and
   assigns the logical_ashift, which is 9
3) reading the contents of L2ARC, including the header fails
4) L2ARC buffers are not restored in ARC.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #14313 
Closes #14963
2023-06-26 13:59:36 -07:00
.github Update workflows 2023-03-09 18:46:36 -08:00
cmd Storage device expansion "silently" fails on degraded vdev 2023-05-26 10:12:57 -07:00
config Fix Clang 15 compilation errors 2023-06-05 18:25:57 -07:00
contrib contrib/bash_completion.d: fix error spew from __zfs_match_snapshot() 2023-06-17 19:52:46 -07:00
etc systemd: set restart=always for zfs-zed.service 2023-01-19 12:50:42 -08:00
include Silence clang warning of flexible array not at end 2023-06-05 10:59:02 -07:00
lib Refine special_small_blocks property validation 2023-05-27 18:23:33 -07:00
man Add the ability to uninitialize 2023-05-26 10:09:04 -07:00
module Store the L2ARC device ashift in the vdev label 2023-06-26 13:59:36 -07:00
rpm zfs-dkms rpm: simplify scriptlets, fix uninstall 2023-06-09 10:14:42 -07:00
scripts ZTS: Log test name to /dev/kmsg on Linux 2023-04-03 13:50:02 -07:00
tests Store the L2ARC device ashift in the vdev label 2023-06-26 13:59:36 -07:00
udev Udev rules: use match (==) rather than assign (=) for PROGRAM 2021-09-14 12:23:10 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore Add FreeBSD support to OpenZFS 2020-04-14 11:36:28 -07:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-14 13:23:08 -07:00
AUTHORS Add zstd support to zfs 2020-08-20 10:30:06 -07:00
CODE_OF_CONDUCT.md Documentation corrections 2023-01-19 12:50:42 -08:00
COPYRIGHT Fix typos 2020-06-09 21:24:09 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
META Tag zfs-2.1.12 2023-06-05 18:25:57 -07:00
Makefile.am config: check for parallel(1), use it for cstyle 2022-09-14 11:23:25 -07:00
NEWS Fix NEWS file 2020-08-26 21:44:41 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md README: Update OpenZFS website url 2022-02-16 17:58:55 -08:00
RELEASES.md Add RELEASES.md file 2021-04-07 13:26:58 -07:00
TEST Remove CI builder customization from TEST 2020-03-16 10:46:03 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
configure.ac Speed up WB_SYNC_NONE when a WB_SYNC_ALL occurs simultaneously 2023-06-05 10:59:02 -07:00
copy-builtin copy-builtin: posix conformance 2021-05-10 12:18:54 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

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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.

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Official Resources

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

  • The META file contains the officially recognized supported Linux kernel versions.
  • Supported FreeBSD versions are any supported branches and releases starting from 12.2-RELEASE.