4k sector drives

Sat Jul 24 03:47:51 CDT 2010

On Fri, Jul 23, 2010 at 12:59:07PM +0200, Michael Monnerie wrote:
> On Freitag, 23. Juli 2010 Christoph Hellwig wrote:
> > -b size=4096 is the default anyway, for 4k sector drivers you also
> >  want -s size=4096, which you do not want for 512 byte sector disks.
> 
> Thanks for clarification. Should I use "-s size=4096" despite the drive 
> saying 512b sectors? It's a "hidden" 4K sector drive, so maybe declaring 
> it extra for XFS helps performance? Or does it not matter at all?

If it really is one using -s size=4096 is the right thing to do.