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Érico Rolim 24c12b48a1 config/dracut/90zfs: handle cases where hostid(1) returns all zeros
On systems with musl libc, hostid(1) always prints "00000000", which
will cause improper behavior when the 90zfs module is configured in a
dracut initramfs. Work around this by copying the host /etc/hostid if
the file exists, and otherwise only write /etc/hostid if hostid(1)
returns something meaningful. This avoids zgenhostid creating a random
/etc/hostid for the initramfs, which could lead to errors when trying to
import the pool if spl_hostid isn't defined in the kernel command line.

Furthermore, tag the /etc/hostid file as hostonly, since it is system
specific and shouldn't be taken into account when trying to use an
initramfs generated in one system to boot into a different system.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Georgy Yakovlev <gyakovlev@gentoo.org>
Co-authored-by: Andrew J. Hesford <ajh@sideband.org>
Signed-off-by: Érico Rolim <erico.erc@gmail.com>
Closes #11174
Closes #11189
2020-11-14 17:21:54 -08:00
.github Document branching structure 2020-09-28 13:23:49 -07:00
cmd zgenhostid: accept hostid arguments equal to zero. 2020-11-14 17:20:54 -08:00
config Linux 5.10 compat: revalidate_disk_size() added 2020-11-02 22:01:19 +00:00
contrib config/dracut/90zfs: handle cases where hostid(1) returns all zeros 2020-11-14 17:21:54 -08:00
etc Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
include Linux: Fix ZFS_ENTER/ZFS_EXIT/ZFS_VERFY_ZP usage 2020-11-14 10:19:00 -08:00
lib Distributed Spare (dRAID) Feature 2020-11-13 13:51:51 -08:00
man zgenhostid: accept hostid arguments equal to zero. 2020-11-14 17:20:54 -08:00
module Linux: Fix ZFS_ENTER/ZFS_EXIT/ZFS_VERFY_ZP usage 2020-11-14 10:19:00 -08:00
rpm Add zpool_influxdb command 2020-10-09 09:29:21 -07:00
scripts Distributed Spare (dRAID) Feature 2020-11-13 13:51:51 -08:00
tests Distributed Spare (dRAID) Feature 2020-11-13 13:51:51 -08:00
udev Centralize variable substitution 2020-07-14 17:33:44 -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 Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
AUTHORS Add zstd support to zfs 2020-08-20 10:30:06 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
CODE_OF_CONDUCT.md Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
configure.ac Distributed Spare (dRAID) Feature 2020-11-13 13:51:51 -08:00
copy-builtin Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
COPYRIGHT Fix typos 2020-06-09 21:24:09 -07:00
cppcheck-suppressions.txt Import ZStandard v1.4.5 2020-08-20 10:30:06 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am Fix commitcheck on FreeBSD 2020-10-20 08:35:53 -07:00
META Increase Supported Linux Kernel to 5.9 2020-10-13 09:51:13 -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 docs: update README's installation link 2020-10-08 09:33:53 -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

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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 12-STABLE and 13-CURRENT.