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OpenZFS 2.1.3 released

Submitted by Roy Schestowitz on Saturday 12th of March 2022 12:24:56 AM Filed under
Linux

The OpenZFS Project has released version 2.1.3 of what the project calls its "open-source storage platform" for Linux and FreeBSD.

The terminology reflects that ZFS is not just a filesystem; it also subsumes the functionality of partitioning and logical volume management. This makes creating and managing what ZFS refers to as "pools" of storage simpler than most of its rivals, such as Btrfs or XFS, which work alongside existing partitioning and LVM tools.

This leads to some overlap. For instance, Btrfs includes its own RAID tools, but so do both the Linux kernel and LVM2. Red Hat is also working on a new storage manager called Stratis, which aims to rival ZFS's functionality.

The latest version resolves multiple issues from July 2021's 2.1.0 release. This included some significant new features, the most notable of which is Parity Declustered RAID or dRAID, which allows [PDF] much faster resilvering of large RAIDZ arrays.

The version number is a little confusing. OpenZFS 2 followed on from version 0.86, and there never was a "version 1," as we described at the time. The current Ubuntu long-term-support release, 20.04, uses OpenZFS 0.8.3.

As the OpenZFS module has to work closely with the Linux kernel, each release is only compatible with certain kernel versions: for example, 2.1.0 supported from kernel 3.10 to 5.13. The new release bumps the upper limit to kernel 5.16.

Read more

Also: Linux Kernel 5.17 Brings Important Performance Improvements for AMD Ryzen CPUs

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