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Don Brady 6b67a5bdd3 During pool export flush the ARC asynchronously
This also includes removing L2 vdevs asynchronously.

This commit also guarantees that spa_load_guid is unique.

The zpool reguid feature introduced the spa_load_guid, which is a
transient value used for runtime identification purposes in the ARC.
This value is not the same as the spa's persistent pool guid.

However, the value is seeded from spa_generate_load_guid() which
does not check for uniqueness against the spa_load_guid from other
pools.  Although extremely rare, you can end up with two different
pools sharing the same spa_load_guid value! So we guarantee that
the value is always unique and additionally not still in use by an
async arc flush task.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Allan Jude <allan@klarasystems.com>
Signed-off-by: Don Brady <don.brady@klarasystems.com>
Closes #16215
2025-06-17 10:50:26 -07:00
.github CI: Automate some GitHub PR status labels manipulations 2025-06-17 10:50:26 -07:00
cmd zpool: clarify ZPOOL_STATUS_REMOVED_DEV status message 2025-06-17 10:50:26 -07:00
config zpl_sync_fs: work around kernels that ignore sync_fs errors 2025-06-17 10:50:26 -07:00
contrib debian: Add libtirpc-dev dependency (#17220) 2025-04-16 09:59:45 -07:00
etc SPDX: license tags: MIT 2025-04-16 09:59:44 -07:00
include During pool export flush the ARC asynchronously 2025-06-17 10:50:26 -07:00
lib abd_os: move headers from libzpool to libspl 2025-06-17 10:50:26 -07:00
man Refactor man page and CLI help output per mandoc 2025-06-17 10:49:40 -07:00
module During pool export flush the ARC asynchronously 2025-06-17 10:50:26 -07:00
rpm RPM: Hold back incompatible kernel packages on Fedora 2025-04-30 10:58:28 -07:00
scripts update_authors: output possible mailmap additions 2025-05-28 16:00:28 -07:00
tests zts: test syncfs() behaviour when pool suspends 2025-06-17 10:50:26 -07:00
udev Update 69-vdev.rules.in 2025-05-28 16:00:28 -07:00
.cirrus.yml Update FreeBSD CI images 2025-04-02 17:05:31 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore Packaging: Auto-generate changelog during configure (#15528) 2023-11-16 08:58:47 -08:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-12 09:37:23 -07:00
.mailmap AUTHORS/mailmap: update with new contributors 2025-05-28 16:00:28 -07:00
AUTHORS AUTHORS/mailmap: update with new contributors 2025-05-28 16:00:28 -07:00
autogen.sh Ubuntu 22.04 integration: ShellCheck 2022-11-18 11:24:48 -08:00
CODE_OF_CONDUCT.md Documentation corrections 2022-12-22 11:34:28 -08:00
configure.ac SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
copy-builtin copy-builtin: add hooks with sed/>> 2022-05-10 10:17:43 -07:00
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
Makefile.am spdxcheck: program to check SPDX license tags 2025-04-16 09:59:45 -07:00
META Tag zfs-2.3.2 2025-04-30 10:58:28 -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 FreeBSD: remove support for FreeBSD < 13.0-RELEASE (#16372) 2024-08-05 16:56:45 -07:00
RELEASES.md Update RELEASES.md LTS release to 2.2 2025-02-25 22:27:10 +05:00
TEST Remove CI builder customization from TEST 2020-03-16 10:46:03 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

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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 13.0-RELEASE.