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buzzingwires a46001adb9
Allow zhack label repair to restore detached devices. 
This commit expands on the zhack label repair command in d04b5c9 by
adding the -u option to undetach a device by regenerating uberblocks,
in addition to the existing functionality of fixing checksums, now
represented by -c. Previous behavior is retained in the case of no
options.

The changes are heavily inspired by Jeff Bonwick's labelfix
utility, as archived at:

https://gist.github.com/jjwhitney/baaa63144da89726e482

Additionally, it is now capable of properly determining the size of
block devices and other media, as well as handling sizes which are
not divisible by 2^18. This should make it viable for use on physical
devices and partitions, in addition to files.

These changes should make it possible to import zpools that have had
their uberblocks erased, such as in the case of pools rendered
inaccessible by erroneous detach commands.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: buzzingwires <buzzingwires@outlook.com>
Closes #14773
2023-05-03 09:03:57 -07:00
.github Refine some details for the github actions update 2023-03-16 10:00:14 -07:00
cmd Allow zhack label repair to restore detached devices. 2023-05-03 09:03:57 -07:00
config Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
contrib PAM: support the authentication facility 2023-04-27 09:49:03 -07:00
etc etc/systemd/zfs-mount-generator: avoid strndupa 2023-01-10 13:40:31 -08:00
include Wrap clang specific pragma 2023-05-02 09:21:47 -07:00
lib powerpc64: Support ELFv2 asm on Big Endian 2023-04-27 12:49:21 -07:00
man Allow zhack label repair to restore detached devices. 2023-05-03 09:03:57 -07:00
module Optimize check_filesystem() and process_error_log() 2023-05-03 09:00:14 -07:00
rpm rpm: Use libtirpc-devel and /usr/lib on SUSE 2023-02-09 11:57:50 -08:00
scripts Fix kmodtool for packaging mainline Linux 2023-03-22 09:22:52 -07:00
tests Allow zhack label repair to restore detached devices. 2023-05-03 09:03:57 -07:00
udev Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore autoconf: use include directives instead of recursing down cmd 2022-05-10 10:18:38 -07:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-12 09:37:23 -07:00
AUTHORS zfs_rename: support RENAME_* flags 2022-10-28 09:49:20 -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 Add native-deb* targets to build native Debian packages 2022-12-13 17:33:05 -08:00
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 Process script directory for all configs 2022-10-27 16:45:14 -07:00
META Linux 6.2 compat: META 2023-03-29 15:39:36 -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 2022-01-06 16:25:01 -08:00
RELEASES.md Add RELEASES.md file 2021-04-02 16:33:40 -07:00
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

README.md

img

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.