I have a vague memory of these controllers doing something odd with the end
of the volume but can't remember where or when, but I know I would
generally avoid them. It looks like you are using them in jbod mode, but if
you aren't do so. If you can reflash them to hba mode even better. If you
are stuck it as it is, it's probably with trying to partition them with a
Linux live CD or illumiinos to eliminate freebsd issues.

On 13 Nov 2017 16:55, "Tim Daneliuk" <[email protected]> wrote:

> On 11/12/2017 10:59 PM, Walter Parker wrote:
> > What would cause the partitions on a ZFS drive to disappear?
>
> In no particular order, these leap to mind:
>
> - A bad drive
> - A misconfigured controller
> - A dead backup battery on the controller
>
> --
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> Tim Daneliuk     [email protected]
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