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How to install TrueNAS on a Raspberry Pi


hat Joel0 in the TrueNAS community has created a fork of TrueNAS that runs on Arm, I thought I'd give it a spin—on a Raspberry Pi. I currently run an Ampere Arm server in my rack with Linux and ZFS as my primary storage server, and a Raspberry Pi with four SATA SSDs and ZFS as backup replica in my studio.

One glaring problem with the Raspberry Pi is no official support for UEFI, a standard way to boot computers and interface operating systems to device firmware. I recently received a new hardware project, the Homelabs Pi Storage server, which uses a custom CM5 SATA backplane and a 3D printable enclosure for a 6-bay NAS: These devices all work perfectly out of the box on Raspberry Pi OS (and I was able to set up a ZFS array, getting 250 MB/s over the built-in 2.5G Ethernet—see below), but they aren't recognized currently when running under UEFI :(

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