Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 26 Aug 2011 22:04:58 -0600 (MDT)
From:      Warren Block <wblock@wonkity.com>
To:        Adam Vande More <amvandemore@gmail.com>
Cc:        questions@freebsd.org
Subject:   Re: glabel, gmirror, and gpart
Message-ID:  <alpine.BSF.2.00.1108262121320.2601@wonkity.com>
In-Reply-To: <CA+tpaK3ryDtDkzy7NnGHoHpT515MRMOKRhSetnuKZZJEm1-0Eg@mail.gmail.com>
References:  <alpine.BSF.2.00.1108261843520.2131@wonkity.com> <CA+tpaK3ryDtDkzy7NnGHoHpT515MRMOKRhSetnuKZZJEm1-0Eg@mail.gmail.com>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help
  This message is in MIME format.  The first part should be readable text,
  while the remaining parts are likely unreadable without MIME-aware tools.

---902635197-1888676161-1314417898=:2601
Content-Type: TEXT/PLAIN; format=flowed; charset=ISO-8859-15
Content-Transfer-Encoding: 8BIT

On Fri, 26 Aug 2011, Adam Vande More wrote:

> On Fri, Aug 26, 2011 at 8:09 PM, Warren Block <wblock@wonkity.com> 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. 
> 
> http://translate.google.com/translate?js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&sl=auto&tl=en&u=http%3A%2F%2Fbu7cher.blogspot.com%2F2011%2F03%2Ffreebsd-gmirror-gpt-ufs.html&act=url
> 
> is the best I can do.

Thanks!

So it's cosmetic, but not really the kind of message that instills 
confidence.  gptboot needs to be able to tell if it's reading from a 
gmirror.  Or gmirror should provide one block less than it does, so it 
doesn't overwrite the GPT backup.
---902635197-1888676161-1314417898=:2601--



Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?alpine.BSF.2.00.1108262121320.2601>