Advanced Format Drive ?

Ronald F. Guilmette rfg at tristatelogic.com
Tue Nov 13 06:14:12 UTC 2012


In message <20121113065602.ee2310d7.freebsd at edvax.de>, 
Polytropon <freebsd at edvax.de> wrote:

>On Mon, 12 Nov 2012 21:47:40 -0800, Ronald F. Guilmette wrote:
>> Is there _anything_ that I will have to do differently than I did for the
>> last 20 drives I've used with FreeBSD over the last 10+ years?
>
>As far as I know, the "old ways" still work as intended.
>I've been initalizing 1 TB and 1.5 TB disks the "old way",
>using sysinstall (to create a slice, then to create the
>partitions) and newfs (to format the 2nd data disk). So
>far, the disks are working for some years without trouble.
>Those are "normal" disks, not SSDs, purchased few years
>ago.
>
>The term "advanced format" is usually used for 4k-sectorized
>disks (in difference to "traditional" 512k sectors).
>
>You can find more here:
>http://en.wikipedia.org/wiki/Advanced_Format
>
>The implication for FreeBSD is (and has been for some time)
>to align partitions "at a 4k border". If you create partition
>sizes as multiples of 4k, it should be fine.

Thank you.

Which "partitions" need to be aligned to the 4KB boundaries?
The FreeBSD ones, the MBR ones, or both?


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