Date: Tue, 7 Jun 2011 23:29:32 -0500 From: Mark Felder <feld@feld.me> To: freebsd-fs@freebsd.org Subject: Re: GPT and disk alignment Message-ID: <op.vwqpfipr34t2sn@skeletor.feld.me> In-Reply-To: <BANLkTik0MsD1fWcsshZ2u0Xj7t2gJOyBbg@mail.gmail.com> References: <BANLkTik0MsD1fWcsshZ2u0Xj7t2gJOyBbg@mail.gmail.com>
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On Tue, 07 Jun 2011 22:27:24 -0500, Robert Simmons <rsimmons0@gmail.com> wrote: > Do all HDDs that have 4KB per LBA present themselves to the OS as > having 512 bytes per LBA? No > What about SSDs that have 1024 bytes per LBA? Not sure, but I do know that not all flash media have the same bytes per LBA internally. Some are 1K, some 4K, some even 8K. GPT is definitely the way to go if you want to make sure you're aligned. Regards, Mark
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