Herbert,

How can you be sure that you will still be able to read it after it
can no longer be written? Maybe I'm missing something about how wear
leveling works, but it would seem to me that one could easily end up
with changes which you tried to write but which only partially "took"
due to some cells no longer being writable, and then the data is a
jumbled mess of old and new. Also, it is not clear to me that the
failure mode of flash cells is always such that data is preserved. I
would think that excessive writes might break down the insulating
oxide layer and cause excessive leakage current, causing failed cells
to get stuck at a random state.

Sean


On Fri, Jun 3, 2011 at 9:56 AM, Herbert Graf <hkgraf@gmail.com> wrote:
>> The HDD might fail next week or last 10 years. How long will the SSD las=
t?
>
> Depends on you. For most heavy users, 10 years before you can't write to
> it (you'll still be able to read from it).
>
> Do you really think you'll care about writing to drive that's 10 years
> old? I doubt it.
>
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