Changes

Even though modern file systems are tolerant w.r.t. power failures, in general, sudden power cuts should be avoided and the system should be turned off cleanly. As this is not alwasy possible, several techniques can be put in place to mitigate the effects of a power failure. Se for instance [[https://wiki.dave.eu/index.php/Carrier_board_design_guidelines_(SOM)#Sudden_power_off_management|the carrier board design guidelines]].