glabel, gmirror, and gpart

Adam Vande More amvandemore at
Sat Aug 27 03:26:33 UTC 2011

On Fri, Aug 26, 2011 at 8:09 PM, Warren Block <wblock at> wrote:

> Question 2 is maybe simpler.  On boot, it shows this:
>  gptboot: invalid backup GPT header
> I can speculate on what causes that (whether the various g-things use the
> absolute last block of the device, or the last block of their area and
> provide their total minus one block; or it could be that gptboot is seeing
> the disk rather than the gmirror device).  Can it be fixed?

This is a long standing issue that still isn't fixed to the best of my
knowledge.  The problem is with gmirror and GPT.

is the best I can do.

Adam Vande More

More information about the freebsd-questions mailing list