On Thu, Jan 23, 2014 at 7:46 AM, mblat <[email protected]> wrote:
> I think the most interesting part of this question is life-time of eMMC ( if
> used as main storage ). This isn't question directly related to this forum,
> but anybody knows some estimating tool somewhere?
> Like " if I have so much free space available on eMMC and I am writing so
> much of data per day (including logs and such), then my expected life time
> of the eMCC is ????".
I have no direct experience with eMCC. I do have experience with "industrial"
SD (and non-industrial) SD cards though. Based on that, I would suggest never
writing it unless you don't mind if it dies someday soon. Don't bother trying
to calculate how many flash writes you should be able to do before it dies,
they don't work anywhere near their theoretical limits. This thread tells
you how to ensure that you never mount anything read/write:
https://groups.google.com/forum/#!topic/beagleboard/9J2r8xn3-Os
It hasn't failed for me yet...
Of course maybe its all Angstrom's fault, I don't know.
Arduino/ATMega328P eeprom does seem to work as advertised you can keep
persistent data on one of those if its something small (rotate it around
a bit of course).
Britton
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