Sector size of 4096 bytes (not 512)

[pluknet]

2008/8/26 Poul-Henning Kamp <phk at phk.freebsd.dk>:
> In message <a31046fc0808260005m59fabe2fn723b3be68bb6803a at mail.gmail.com>, plukn
> et writes:
>>2008/8/26 Sten Daniel Soersdal <netslists at 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 at 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.
>

I'm talking about on-disk sector-size, not about filesystem's block-size.

wbr,
pluknet