Tip of the Trade: Dragonfly BSD and the Hammer Filesystem

Dragonfly BSD v2.0 has recently been released. It’s a fork from FreeBSD, and it’s ultimate goal is to provide native clustering support in the kernel. Having spent the past five years rewriting various kernel subsystems to set things up for this aim, the team is now onto the second project phase. The current aims are to create a cache management framework for various filesystem and virtual machine aspects and to set up security-conscious resource sharing and resource control across clusters.

In addition to significant kernel and driver changes, the 2.0 release features the release of the Hammer filesystem.

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