Jim Donelson wrote:
I didn't say the driver HAD to do wear leveling, but if wear level is
to be done, the driver must do it, as SD cards don't do it themselves.
Quoting from the SanDisk Spec:
"The SD Card’s Wear Level command is supported as a NOP operation to
maintain backward compatibility with existing software utilities."
According the them, you don't need no stink'in wear leveling.
http://www.cs.ucr.edu/~amitra/sdcard/ProdManualSDCardv1.9.pdf
<http://www.cs.ucr.edu/%7Eamitra/sdcard/ProdManualSDCardv1.9.pdf>
They are plain wrong.
With 100.000 times write with a FAT file system (as usually used with
cameras) the first sectors containing the FAT and the root directory
will be dead after 100.000 files written. This is easily done with a
camera.
-Michael
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