ocr: Figure 8 Physical layout of Replicas on nare servers where the link between the two sites is only available on a limited basis. NS1 Master replica partition A NS2 Master replica Read/Write replica partition C partition A 1 /. NS3 Read/Write replica Read only replica partition C partition A NS4 Master replica Read only replica partition B partition A D 2 NS5 Read/Write replica Read only replica partition B partition A