Distributed Storage System Surveyed

With the development of modern IT and the rapid expansion of data,the traditional storage model has to face an unprecedented challenge.At present,many companies and organizations have started to employ distributed storage system to store and mange massive data and more and more users also expect to apply it to cloud storage system so as to achieve better performance and cheaper prices.Distributed storage system as the basis of cloud storage technology has been wildly applied,in which storage virtualization is usually applied to the scheme of private cloud storage while the object-orientated storage and distributed file system is pervasively applied to public cloud system.The paper introduced the popular distributed storage system to provide reference to users.