RFC: Project geom-events
Andrey V. Elsukov
ae at FreeBSD.org
Thu Oct 6 14:41:27 UTC 2011
On 06.10.2011 16:36, Ivan Voras wrote:
> 2) this makes the device unbootable as the GPT partition is per
> definition not valid. It still stores the primary partition table on the
> first sector (and the following sectors...), but its secondary table is
> stored at one sector short of device's last sector (which is used by
> glabel). Any utilities and BIOSes which test for GPT will find the first
> table but not the last and depending on how sensitive / broken they are,
> they will either recognize a broken GPT (and/or try to fix it,
> destroying the glabel label), or not work at all.
Actually we support booting from GPT when secondary GPT header is not in
the last LBA. Our bootcode will complain in this situation, but it works.
WBR, Andrey V. Elsukov
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