Date: Tue, 31 Jan 2017 07:43:00 -0800 (PST) From: "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net> To: Warren Block <wblock@wonkity.com> Cc: "Andrey V. Elsukov" <bu7cher@yandex.ru>, freebsd-hackers@freebsd.org, Slawa Olhovchenkov <slw@zxy.spb.ru> Subject: Re: How to safely remove rest of GTP? Message-ID: <201701311543.v0VFh0Bl044986@pdx.rh.CN85.dnsmgr.net> In-Reply-To: <alpine.BSF.2.20.1701301607510.85129@wonkity.com>
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... much deleted ... > > > It is impossible to have a corrupted GPT and some > > other type of partition table in the same time. I believe that statement is in error. dd if=/boot/boot0 of=/dev/ada0 Would not that lead to this very situation if done to a GPT parted disk drive? > Maybe when only using FreeBSD and gpart, but I'm pretty sure I've seen > forum users who have tried some crappy other formatting tool and have > overwritten the primary GPT with a valid MBR and left the secondary GPT > untouched. This only becomes obvious when they bring the disk back to a > FreeBSD system. As almost all MBR tools are un aware of GPT so well not do anything to destroy the secondary GPT, so this is infact very likely to occur. -- Rod Grimes rgrimes@freebsd.org
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