Tux Machines

OpenZFS 2.2 is nearly here, and ZFSBootMenu 2.2 already is

Posted by Rianne Schestowitz on Aug 16, 2023

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The next minor version of OpenZFS is nearly ready, and ZFSBootMenu makes it easy to boot Linux from it, via a clever workaround.

The advanced OpenZFS filesystem is getting close to its next release, version 2.2, with release candidate 3 (around this time last year, OpenZFS 2.1 got to rc8, so it might be a little while yet). Version 2.2 will improve support for Linux containers, with support for overlay filesystems (sometimes also called union filesystems), support for Linux 6.3 IDmapped mounts (which are explained in this talk), and delegation of dataset namespaces to containers.

Block cloning should improve the efficiency of marking identical blocks as shared by different files, or even parts of the same file. The new BLAKE3 algorithm can be used to generate ZFS checksums, which is also used in the new CdC Veilid P2P tool we recently covered, and management of the disk cache has been improved.

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