Date: Mon, 08 Mar 2010 22:59:31 +0200 From: Andriy Gapon <avg@icyb.net.ua> To: Marcel Moolenaar <xcllnt@mac.com> Cc: Pete French <petefrench@ticketswitch.com>, freebsd-geom@freebsd.org Subject: Re: another gpt vs mbr (sanity) check Message-ID: <4B956533.2010900@icyb.net.ua> In-Reply-To: <03BFAAEC-6C59-48EF-BED9-2E68ED03E2B6@mac.com> References: <E1Noh4B-000JjD-5u@dilbert.ticketswitch.com> <3158041B-8E00-4A87-8172-741C0AE57131@mac.com> <4B954367.3070804@icyb.net.ua> <FB4B329E-807F-4A47-A86B-AE3BC049A6DC@mac.com> <4B9544B3.80203@icyb.net.ua> <03BFAAEC-6C59-48EF-BED9-2E68ED03E2B6@mac.com>
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on 08/03/2010 22:23 Marcel Moolenaar said the following: > On Mar 8, 2010, at 10:40 AM, Andriy Gapon wrote: > >> on 08/03/2010 20:36 Marcel Moolenaar said the following: >>> On Mar 8, 2010, at 10:35 AM, Andriy Gapon wrote: >>> >>>> on 08/03/2010 19:55 Marcel Moolenaar said the following: >>>>> On Mar 8, 2010, at 9:48 AM, Pete French wrote: >>>>>> The queston is then, why isn't Windows treating it as GPT ? >>>>> Ask Microsoft. So far I've only seen violations to the spec. At >>>>> least Apple kept to the spirit of it... >>>> According to my understanding it's the opposite as much as I hate saying this. >>>> My understanding is that valid GPT scheme _must_ provide only a protective MBR, >>>> i.e. MBR where there is only partition and it is of type 0xEE. >>>> That is, any "hybrid MBR" is not a valid GPT scheme. >>>> Google turns up a lot of stuff on this topic. >>> Exactly. That is exactly the violation of the spec I was referring >>> to. >> I am not which part of what I said you meant by 'that'. > > All of it. This hasn't added any clarity. So I'll just post one link about what position Apple had (note the past tense) about protective MBR: http://developer.apple.com/mac/library/technotes/tn2006/tn2166.html#SECPROTECTIVEMBR -- Andriy Gapon
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