Switch from single drive to RAID array for TrueNAS boot device?

TrueNAS General
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I’d like to change my server’s single boot drive to a RAID array for redundancy.

My server’s motherboard supports up to 5 SATA devices in RAID 1, 5, or 10. (0 too, but that’s not redundant)

Can my current drive be imaged, then restored to an array without re-installing from scratch?

I would also appreciate advice on whether RAID 1, 5, or 10 would be best from a recovery perspective.

Thanks for reading!

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You can attach a second drive to create a mirror right in TrueNAS. You should never user your motherboard’s “RAID” function.

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…unless you’re going all the way to this (mirroring a drive with a hardware RAID):

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