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Subject: Re: FDT on x86 and for non-fdtbus devices.
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From: "Robert N. M. Watson" <rwatson@FreeBSD.org>
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To: Marcel Moolenaar <marcel@xcllnt.net>
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On 14 Feb 2013, at 17:00, Marcel Moolenaar wrote:

> I think it's a feature to instantiate GEOMs from the FDT.
> Creating a mirrored disk configuration when the disks are
> already in use cannot in general be done using tasting.
> The assumption that the last sector is free is invalid
> with GPT and it has created conformance problems for us
> already. Being able to construct the gmirror GEOM from the
> FDT eliminates the need to scribble meta-data on the disk
> and as such allows us to mirror 2 GPT disks at the disk
> level without instantaneously becoming non-conformant.

Especially in our case, where the first block of the flash is definitely =
reserved for things other than partition table data structures. :-)

Robert=