[pve-devel] new cache benchmark results

Michael Rasmussen mir at datanom.net
Sat Nov 10 11:36:23 CET 2012


On Sat, 10 Nov 2012 06:56:43 +0000
Dietmar Maurer <dietmar at proxmox.com> wrote:

> I am quite sure that those disk does not expose 4K sectors.
> 
> They use 4K internally, but emulates 512 bytes sectors (512e mode)
> 
> Do you have any evidence that those drives run in 4Kn mode?
> 
If I have understand this forum post correct
(http://forum.hddguru.com/sector-formatting-what-you-need-know-t15827.html)
it all depends whether the filesystem is 4k aligned or not. If the
first sector, after the MBR, begins on a 4K boundary the drives
firmware will automatically activate 4K mode.

-- 
Hilsen/Regards
Michael Rasmussen

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