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Alexander Motin
60f714e6e2
Based on previous commit this implements `zfs rewrite -P` flag, making ZFS to keep blocks logical birth times while rewriting files. It should exclude the rewritten blocks from incremental sends, snapshot diffs, etc. Snapshots space usage same time will reflect the additional space usage from newly allocated blocks. Since this begins to use new "rewrite" flag in the block pointers, this commit introduces a new read-compatible per-dataset feature physical_rewrite. It must be enabled for the command to not fail, it is activated on first use and deactivated on deletion of the last affected dataset. Reviewed-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Motin <alexander.motin@TrueNAS.com> Closes #17565
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 any supported branches and releases starting from 13.0-RELEASE.