}
private int getDatanodeInfo(String[] argv, int i) throws IOException {
ClientDatanodeProtocol dnProxy = getDataNodeProxy(argv[i]);
try {
DatanodeLocalInfo dnInfo = dnProxy.getDatanodeInfo();
System.out.println(dnInfo.getDatanodeLocalReport());
} catch (IOException ioe) {
System.err.println("Datanode unreachable.");
return -1;
}
return 0;