Richard Miller <[email protected]> writes:

> After a bit less than a year, the SD card suffered a catastrophic
> failure.  When I say catastrophic, I mean I can't find any meaningful
> data anywhere in the first 120MB or so of /dev/sdM0/data ... just
> not-quite-random looking garbage.

Could have been just the normal "SD card used up" situation.  They don't
last forever, and to get a reasonable life time you have to a) not buy
too cheap, and b) not write to it more than you have to.  Under Unix,
point b means mounting with noatime and nodiratime options.

Some specifics here: http://en.wikipedia.org/wiki/Wear_leveling

-tih
-- 
It doesn't matter how beautiful your theory is, it doesn't matter how smart
you are. If it doesn't agree with experiment, it's wrong.  -Richard Feynman

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