Rio: a personal storage system in multi-device and cloud

摘要

With the era of big data coming, whether in computer operating system or mobile operating system, the shortcomings of traditional way of file management become increasingly obvious. For example, data access and data retrieval across devices are very inconvenient. At the same time, storage space in disks and cloud storage services is underutilized. To address these issues, we propose Rio, a personal storage system in multi-device and cloud storage. Cloud storage services, treated as one storage device in Rio, together with shared devices form a storage pool. In Rio, users can store, retrieve and access data through RESTful URI, no matter in which device or cloud services data are stored. Rio also sets up redundant storage in idle space to improve disk storage utilization. In the experiment, we compared Rio with U disk, FTP, Dropbox and other common data sharing methods. Then we tested Rio's data access performance and system overhead. The results show that Rio increases the accessibility of data greatly and only costs small system overhead.