RFC: Project geom-events

perryh at pluto.rain.com perryh at pluto.rain.com
Sat Oct 8 03:01:56 UTC 2011

Lev Serebryakov <lev at freebsd.org> wrote:

> GPT must have backup copy in last sector by standard ...

In that case, shouldn't it refuse to install on any provider that is
not in fact a disk, so as not to create configurations that cannot
work properly?

> MBR doesn;t have any additional metadata. How adding one will help it?

It would add robustness, for cases like the one that started
this thread.  If MBR put a GEOM metadata block at the end of
its provider, it would fix the tasting race when an MBR is
installed on a glabelled (or gmirrored) drive.

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