FreeBSD 9 "gptboot: invalid backup GPT header" error (boots fine though)

Adam Strohl adams-freebsd at
Wed May 2 13:53:15 UTC 2012

On 5/2/2012 20:46, Mark Saad wrote:
> Did you try to repair the header ? I saw a similar issue on upgraded 
> boxes that were 7-STABLE upgraded to 9-STABLE. and recovering made the 
> warning go away . I may be way off here but just my 2 cents .

> % gpart recover da0 

Good thought, but no dice:

$ gpart recover da0
da0 recovering is not needed

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