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c4a5e3b90f
A common usage pattern for zgenhostid, including in the ZFS dracut module, is running it as: zgenhostid $(hostid) However, zgenhostid only accepted hostid arguments greater than 0, which meant that, when the output of hostid(1) was "00000000", zgenhostid would error out, even though 0 is a possible return value for the gethostid(3) function used by hostid(1): - On current musl libc, gethostid(3) is a stub that always returns 0. - On glibc, gethostid(3) will return 0 if /etc/hostid exists but is smaller than 4 bytes. In these cases, it makes more sense for zgenhostid to treat a value of 0 as other parts of the zfs codebase do, meaning that a hostid value couldn't be determined; therefore, it should attempt to generate a random value to write into /etc/hostid. The manpage and usage output have been updated to reflect this. Whitespace has also been fixed in the usage output. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Georgy Yakovlev <gyakovlev@gentoo.org> Reviewed-by: Andrew J. Hesford <ajh@sideband.org> Signed-off-by: Érico Rolim <erico.erc@gmail.com> Closes #11174 Closes #11189 |
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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.
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
- The
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are 12-STABLE and 13-CURRENT.