Purpose

• NAND flash memory is commonly used in embedded systems. • The falling price of NAND device encourages us to use large memories (e.g. Larger than 128MB). • Limitations of bare NAND flash memory devices – – Block erasure • finite number of erase-write cycles (~10K cycles and MLC is less) – Normal operations • Bit flip possibilities Important to use suitable file system • There are some cases for previous file systems that do not fit large NAND systems. • Defining system requirements and then breaking them down to individual benchmark items. • Comparing each file system