The three most important are garbage collection, managing bad blocks, and wearleveling.
三个最重大的挑战分别是垃圾收集、管理坏块和平均读写。
2
Dynamic wearleveling addresses the problem of a limited number of Erase cycles for a given block.
动态平均读写解决了块的Erase周期的次数限制。
3
To make matters worse, the SSD must internally shift data to minimize the introduction of errors in a process called garbage collection or wear-leveling.