Association for Computing Machinery
In this paper, the authors develop a novel hybrid file system, FRASH, for storage-class memory and NAND flash. Despite the promising physical characteristics of storage-class memory, its scale is an order of magnitude smaller than the current storage device scale. This fact makes it less than desirable for use as an independent storage device. They carefully analyze in-memory and on-disk file system objects in a log-structured file system, and exploit memory and storage aspects of the storage-class memory to overcome the drawbacks of the current log-structured file system.