Corsair is a subproject of the China National Grid Project (the 863 program).

Considering the rapid development of network, we believe that 1) online storage is an important trend of data storage due to the outstanding reliability and scalability, and 2) part of current Internet (such as campus network, intranet) is capable of supportting such application. The Corsair system is built to proof the feasibility of these believes. It provides reliable online storage and data sharing services based on the campus network. A prototype of the system has been released and deployed in Tsinghua University on 2008/12/01, and has 2239 registered users, and 75 registered communities by 2009/01/14.

CorsairFS is a scalable distributed file system based on storage bricks and campus network, and will be used as a new storage backend of Corsair to solve the problems (such as administration burden, vulnerability to network failure, data hotspot etc) that Corsair currently encountered as the user and workload increases. It is designed for a huge number of users’ daily data access workload and focuses on both the system scalability and manageability. It is expected to dramatically reduce the administrative burden and simplify the constructions of Corsair-like applications.

A key 211 project of Chinese Ministry of Education. CGSP is one of the most influential Grid middleware in China. It is developed to simplify the construction of Grid applications in ChinaGrid. It facilitates Grid applications to seamlessly use and manage distributed, heterogeneous Grid resources by providing the infrastructure services and a set of tools.

GPE is an international Grid project proposed and funded by Intel Company to integrate the existing heterogeneous Grids and provide a consistent and user-friendly access interface for grid resources. GPE4CGSP is intend to use CGSP as the Grid backend of GPE.

Design and implement the simulator for a large scale storage cluster to study the Mean Time To Data Lost (MTTDL) under some kinds of parameters (such as object size, bandwidth, etc) [ 5 ]. This work is done during my internship in Microsoft Research Asia (MSRA).