zfs & gmirror == DIRTY mirror on reboot

[Slawa Olhovchenkov]

On Thu, Apr 12, 2012 at 09:34:47AM +0100, krad wrote:

> On 11 April 2012 15:12, Slawa Olhovchenkov <slw at zxy.spb.ru> wrote:
> > Can some one fixing kern/113957#replay4?
> > Creating ZFS over gmirror causing gmirror DIRTY on correct reboot.
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> 
> this seams like a bizarre configuration. Why not let zfs do the
> mirroring as its more efficient in many ways?

I am need to reliable boot (toleranted to bad blocks in boot area, boot1/boot2).
reliable boot => mirror in bios.
PREC S100 don't have on-disk information about mirror => gmirror on OS
level.