Abstract
Social needs for information storage are very high and will also be higher in the future. Needs for data storage are explosively increasing in cloud environment. A significant part of storage data is expected to be cold data with low-frequency access. Therefore, HDDs in position of in future storage systems are changing. The aim of this roadmap is to suggest the academic research fields needed for future HDDs and candidate fields where academic knowledge on HDDs can apply to. We focused on two key technologies for HDDs; positioning technologies and nano-tribology. Based on technology mapping of the technologies, roadmaps of the two technologies are discussed.
