On Aug 3, 2010, at 9:27 AM, Merlin Moncure wrote:
> 
> 2) I've heard that some SSD have utilities that you can use to query
> the write cycles in order to estimate lifespan.  Does this one, and is
> it possible to publish the output (an approximation of the amount of
> work along with this would be wonderful)?
> 

On the intel drives, its available via SMART.  Plenty of hits on how to read 
the data from google.  Sandforce drives probably have it exposed via SMART as 
well.

I have had over 50 X25-M's (80GB G1's) in production for 22 months that write 
~100GB a day and SMART reports they have 78% of their write cycles left.  Plus, 
when it dies from usage it supposedly enters a read-only state.  (these only 
have recoverable data so data loss on power failure is not a concern for me).

So if Sandforce has low write amplification like Intel (they claim to be 
better) longevity should be fine.

> merlin
> 
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