Date: Tue, 29 Jan 2013 20:43:40 +0400 From: Artem Kuchin <matrix@itlegion.ru> Cc: freebsd-questions@freebsd.org Subject: Re: Software raid VS hardware raid Message-ID: <5107FC3C.4030701@itlegion.ru> In-Reply-To: <alpine.BSF.2.00.1301290749460.27370@wonkity.com> References: <5106E301.4070707@itlegion.ru> <ke7v7a$r0d$1@ger.gmane.org> <5107A500.4030902@itlegion.ru> <alpine.BSF.2.00.1301290749460.27370@wonkity.com>
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29.01.2013 18:57, Warren Block: > On Tue, 29 Jan 2013, Artem Kuchin wrote: > > The Handbook chapter on gmirror talks about the problems with GPT and > GEOM metadata. In short: right now, they conflict. It's possible to > mirror GPT partitions, but be aware that if you mirror more than one > partition on a drive, a rebuild after replacing a drive could thrash > the heads as mirrors are rebuilt simultaneously. > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/geom-mirror.html > > > So, gmirror+GPT=conflict on last sector GPT+gmirror = hardrive head kill nice... So, for no more than 2TB disks the best way to go is GMIRROR of the drive +PARTITION on top of it? Or maybe there is a way to instruct gmirror do rebuild only what i say (manual rebuild) ? Artem
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