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ZFS on Linux with all flash?

In the previous post I described how I mounted 4 NVMe flash drives in a single host in order to build an all-flash datastore. In this post, I’ll describe how to move from FreeNAS, TrueNAS (or any other ZFS host OS) to ZFS on Linux, and test if the performance is acceptable to continue with ZFS.

Building an all flash datastore - hardware

The ZFS filesystem is around since 2005, and it’s considered by many as one of the great contributions of Sun beside more obvious ones like Java.