Setting Up Topology and Replication

  1. In the MapR Control System, open the MapR-FS group and click Nodes to display the Nodes view.
  2. Set up each rack with its own path. For each rack, perform the following steps:
    1. Click the checkboxes next to the nodes in the rack.
    2. Click the Change Topology button to display the Change Node Topology dialog.
    3. In the Change Node Topology dialog, type a path to represent the rack. For example, if the cluster name is cluster1 and the nodes are in rack 14, type /cluster1/rack14.
  3. When creating volumes, choose a Replication Factor of 3 or more to provide sufficient data redundancy.