As I know , most eMMC support wear leave , and Micron engineer told me , their firmware support 10 or 12bit BCH ECC every 1024 BYTES
Totally , you can write 10000 (times) x 2G (chip size) on BBB board right ? 2014/1/24 Britton Kerin <[email protected]> > 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 > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
