Abstract
SSDs (Solid State Disks) are next generation storage devices. SSD has two main parts, viz. NAND Flash and SSD Controller. The main headache for SSDs is ‘erase before write’, because of which when data modification happens SSDs need to first erase present data from NAND blocks, which include other valid data also and then need to re-write whole content which causes Write amplification. The higher erase operations cause higher decrease in PE cycle count. If PE cycle count decreases at higher rate then SSD life span will decrease at higher rate. So to optimize SSD life span it is needed that data writing and modifying on SSD need to be optimized. This is job of FTL (Flash Translation layer) But FTL performs optimization on device side it will be beneficial if optimization is done on Host side i.e. via file systems. In this paper we are analyzing how different file systems cause impact on PE cycles of SSD.
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