On Tue, Feb 17, 2015 at 05:39:49PM +0000, Harrison Cooper wrote:
> Just adding my nickels worth.....if your planning on putting the SD
> card away in a drawer, holding archived information, then you better
> get it out at least once a month, and plug it into something that
> will read it, and let the controller refresh the charge.  Otherwise
> you will end up with corrupted data or worse, nothing at all.  Flash
> may be non-volatile but doesn't retain the charge forever.
> Obviously the same goes for USB thumb drives and such.

I agree in principle, but I'd change that to once a year.

And don't forget devices with embedded Flash or eMMC.

The Flash translation layer controllers can also do ECC across the
data, and are capable of recovering from a number of discharged cells.

--=20
James Cameron
http://quozl.linux.org.au/
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