gmirror failed with error 19.

[Andrei Kolu]

2011/10/16 Lev Serebryakov <lev at freebsd.org>

> Hello, Andrei.
> You wrote 15 октября 2011 г., 20:01:51:
>
> > Before that I saw this error message: "gmirror mirror/gm0: corrupt or
> > invalid GPT data". Solved this problem by starting up system from usb
> flash
> > as livecd and recovering gpt. But I still can't boot from geom mirror.
>   GEOM classes (mirror, stripe, raid3, etc) is not compatible with
>  GPT. GPT want to store its copy on last sector(s) of drive. If your
>  put it on gmirror volume, last sector is occuped by gmirror metadata.
>
> Hi,

When I boot from memstick with FreeBSD 9 BETA3 I see error "gptboot: invalid
backup GPT header". So FreeBSD 9 is not compatible with geom mirror anymore
because by default installer configure GPT partitions?