# ApiAddSBNNToNSArguments Data Model

Properties
name | data type | description
--- | --- | ---
nameServiceName | string | The name of the NameService to which the new NameNode(s) should be added.
newNNHostIds | array of string | List of host ids to which new NameNode(s) should be added.
newNNDataDirs | map of string | Mapping of NameNode Data Directories list to host id(s), key is the host id, the value is a comma separated list of directories to be set as NameNode Data Directories for the new NameNode(s).
clearDataDirs | boolean | Specifies whether the NameNode Data Directories configured should be cleared as a first step, or the command should fail if the directories specified are not empty.
restartCluster | boolean | Specifies whether the HDFS dependent services of the cluster should be restarted after the changes are applied, to reconfigure dependent services

Example

    {
      "nameServiceName" : "...",
      "newNNHostIds" : [ "...", "..." ],
      "newNNDataDirs" : {
        "property1" : "...",
        "property2" : "..."
      },
      "clearDataDirs" : true,
      "restartCluster" : true
    }