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To: pluknet <pluknet@gmail.com>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Tue, 26 Aug 2008 11:05:47 +0400."
	<a31046fc0808260005m59fabe2fn723b3be68bb6803a@mail.gmail.com> 
Date: Tue, 26 Aug 2008 07:44:38 +0000
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Cc: freebsd-fs@freebsd.org
Subject: Re: Sector size of 4096 bytes (not 512) 
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In message <a31046fc0808260005m59fabe2fn723b3be68bb6803a@mail.gmail.com>, plukn
et writes:
>2008/8/26 Sten Daniel Soersdal <netslists@gmail.com>:
>>
>> Does anyone know if i might run into any surprises if my hdd has 4096 byte
>> sized sectors and not the regular 512, it is low-level formatted that way.

[...]

>You should not change the sector size, because it is value of the
>physical parameter on disc
>(typically it's 512 for magnetic discs and 4096 for optical discs),
>not whatever logical value.
>You should better check tuning(7)/tunefs(8) man pages if you want to
>tune up your system.

This answer has nothing to do with the question asked, and is wrong in
just about every way it can be.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.