Friday 21 July 2017

debugging - Diagnosing SD card failures



I have an embedded device using an SD card. Occasionally I see SD cards fail, and I need to understand the failure mode.


Are there tools, perhaps for specific manufacturers, that help me understand why the card is failing? Whether it's a memory problem, a controller problem, electrical problem, etc?


We are using Sandisk in general, and aren't concerned about data recovery, but we do need to maximize lifetime and reduce failure, so understanding the reasons cards are failing in our application is important.




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