SSD durability (was: Re: [ltp] Buying a New Thinkpad)

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Wed, 4 May 2011 20:23:53 -0300


On Wed, 04 May 2011, Robert Tomsick wrote:
> It may or may not be a weird idea depending on the SSD.  The Intel MLC
> drives are rated for something like 10-20 GB of writes per day for 5
> years straight, and SLC drives seem to be at least an order of magnitude
> above that.

Read this first:
http://www.codinghorror.com/blog/2011/05/the-hot-crazy-solid-state-drive-scale.html

Obviously, YMMV.  Temperature and usage pattern matters, and so does the
quality of the SSD.

But don't go dreaming of MLC surviving as much as the manufacturer wants
you to believe it will, and mind you the massively dreadful failure
modes of any wear-levelled flash device.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh