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%2BtpaK3ryDtDkzy7NnGHoHpT515MRMOKRhSetnuKZZJEm1-0Eg@mail.gmail.com> References: <alpine.BSF.2.00.1108261843520.2131@wonkity.com> <CA%2BtpaK3ryDtDkzy7NnGHoHpT515MRMOKRhSetnuKZZJEm1-0Eg@mail.gmail.com>
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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--
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