Date: Wed, 27 Jun 2012 10:55:19 -0700 From: Marcel Moolenaar <marcel@xcllnt.net> To: "Andrey V. Elsukov" <bu7cher@yandex.ru> Cc: Doug Rabson <dfr@freebsd.org>, Marcel Moolenaar <marcel@freebsd.org>, Pawel Jakub Dawidek <pjd@freebsd.org>, freebsd-hackers <freebsd-hackers@freebsd.org>, Andriy Gapon <avg@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: [CFC/CFT] large changes in the loader(8) code Message-ID: <7E41D945-F6FA-48D5-ADDC-4884A7C7C0F8@xcllnt.net> In-Reply-To: <4FEA910C.4090305@yandex.ru> References: <4FE9B01C.30306@yandex.ru> <201206261337.11741.jhb@freebsd.org> <4FEA910C.4090305@yandex.ru>
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On Jun 26, 2012, at 9:50 PM, Andrey V. Elsukov wrote: > If the primary GPT is corrupt, software must check the last LBA of the device to see if it has a > valid GPT Header and point to a valid GPT Partition Entry Array." > > For the FreeBSD an each GEOM provider can be treated as disk device. > So, i don't see anything criminal if we will add some quirks in the our loader > for the better supporting of our technologies. You can't just re-interpret standards to match a context you know very well isn't applicable and consequently redefine what the word "device" means. You're on a slippery slope and while you may not see it as a problem, you do make it a problem for FreeBSD users. It's our users we should be keeping in mind when we solve problems. > If a user wants modify GPT in the disk editor from the another OS, > he can do it, and it should work. The result depends only from the partition editor, > it might overwrite the last sector and might don't. Right. Another happy user that sees his/her FreeBSD installation destroyed or degraded (no mirroring, warning messages about corrupted GPT, etc) for no apparent reason and without any kind of warning that what he/she is doing is potentially harmful... That's the spirit! -- Marcel Moolenaar marcel@xcllnt.nethelp
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