Setup: TrueNAS Scale OS running from boot drive on a server with 5 4TB SATA drives until my dual m.2 pcie adapter arrived to run OS redundantly. Break event: I set up a Linux virtual machine on the same zpool as my truenas apps and passed through the USB slots, including the one that was running th…

Don’t paste the results in here: python3 decode.py It should hopefully decrypt and print a long hexstring. It will look something like this: f69bb6091a43107dbb25ec59486eb035eeed3f6e89325aa15ec52135774e356a This is your root dataset’s encryption keystring. Copy and paste it to manually unlock you…

How to recover the zpool encryption key after OS disk failure

TrueNAS General

winnielinnie July 25, 2025, 6:45pm 3

I recommend you consider doing something like this next time.

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How to recover the zpool encryption key after OS disk failure

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