In part one of our series on Notafs, we outlined the motivations and challenges behind creating a file system for MirageOS tailored to the SpaceOS use case of storing large files on disk in satellites. Furthermore, Notafs can be used to run the irmin-pack backend of Irmin, which, in turn, provides users with an amazing file system for their MirageOS projects. In this post, we delve into more detail concerning the design choices behind Notafs and provide some benchmarks and visualisations to g...