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Data storage devices are typically write-in-place in that data accessed at a particular location can be modified and then put back in the same location. A file or object may be divided and placed piecemeal in the data storage device in various locations where no data is stored or where data is marked invalid. While this method works well for devices such as a hard disk drive (“HDD”), using write-in-place for solid-state storage can be inefficient and can cause premature failure.

Added by DJM 3 2021