CGFS GFS Master Client 1Co IC1 C‖c 0 5 5 Chunkserver 1 Chunkserver 2 Chunkserver nGFS 19 GFS Master C0 C1 C5 C2 Chunkserver 1 C0 C5 Chunkserver N C1 C5 C3 Chunkserver 2 … C2 Client