Knowledge Management (KM) Definitions. Defining knowledge management (KM) has always been a challenge. For many years I resisted offering a definition because whenever I included a definition in a talk this would become the main focus of attention.
Motherboards can go bad for many reasons, although there are a few common culprits. Among the most common causes of motherboard failure are excess electrical shocks, physical damage, or excess heat. Some of these dangers are inescapable, and may vary in likelihood depending on your computer model.
A system crash or other interruption of a write operation can result in states where the parity is inconsistent with the data due to non-atomicity of the write process, such that the parity cannot be used for recovery in the case of a disk failure (the so-called RAID 5 write hole).