[linux-elitists] A modest proposal: SSD disk acceleration in kernel.

Ruben Safir ruben@mrbrklyn.com
Fri Oct 24 14:58:11 PDT 2008


On Fri, Oct 24, 2008 at 02:02:41PM -0700, Rick Moen wrote:
> Quoting Greg KH (greg@kroah.com):
> 
> > Also note that the new Intel flash isn't the "traditional" type flash
> > that people have been using for years.  It's quite a different thing
> > down at the physical level with regards to composition of materials and
> > usage models.
> 
> Looking over Intel's pages, all I can find is that they use 34nm 32
> gigabit multi-level cell NAND chips jointly developed by Intel and
> Micron and manufactured at their joint venture, IM Flash Technologies.
> MLC (multi-level cell) physical layout does seem a major improvement
> that significantly increases storage density, but all of NAND flash's
> typical problems seem to remain, including wear on account of the
> limited number of erase-write cycle each sector can endure before
> failing.
> 


Hard drives don't last forever either and certainly the hysical parts
wear out.  How do they compare?

Ruben

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