Survey on Data Recovery for Cloud Storage

Cloud computing provides people with lots of convenient services. Computing and storage of data are transferred from the local mobile terminal to the cloud server. Putting everything in the Cloud brings people convenient, but it also cause more various insecurity that cloud storage solutions must face at the same time. Much work has been done to solve the challenges. In this paper, we focus on the data recovery for cloud storage, present a comprehensive survey of existing problems and their current solutions on data recovery issues, discuss data security technologies of the data storage and recovery in cloud and describe some key factors and their role in data recovery.