Have you setup passworless ssh to localhost? In other words if when logged on as 'hdfs' can you do 'ssh localhost' and/or 'ssh ldsg-hadoop-master01'?
Oleg On Nov 8, 2012, at 1:00 PM, "John Beaulaurier -X (jbeaulau - ADVANCED NETWORK INFORMATION INC at Cisco)" <jbeau...@cisco.com> wrote: > Hello, > > Apache Hadoop 0.20.203.0 (tarball) > Java HotSpot (build 1.6.0_21-b07) > > I have a 4 datanode cluster sandbox I’m trying to startup, but when I > initiate start.dfs.sh as the local user I created, , and after the namenode > and all the datanodes > start, the output stops and asks for the password for the local account that > I’m using to run start-dfs.sh The same happens when I run stop.dfs.sh with > all datanode > daemons stopping except the namenode daemon. It does not stop due to the > password requirement. SSH passphrase-less logon is functioning for the user > from > the namenode to all the datanodes. I did not alter start-dfs.sh or > Hadoop-config.sh > > [hdfs@ldsg-hadoop-master01 bin]$ ./start-dfs.sh > starting namenode, logging to > /var/log/hadoop/hadoop-hdfs-namenode-ldsg-hadoop-master01.out > ldsg-hadoop02: starting datanode, logging to > /var/log/hadoop/hadoop-hdfs-datanode-ldsg-hadoop02.out > ldsg-hadoop01: starting datanode, logging to > /var/log/hadoop/hadoop-hdfs-datanode-ldsg-hadoop01.out > ldsg-hadoop03: starting datanode, logging to > /var/log/hadoop/hadoop-hdfs-datanode-ldsg-hadoop03.out > ldsg-hadoop04: starting datanode, logging to > /var/log/hadoop/hadoop-hdfs-datanode-ldsg-hadoop04.out > hdfs@ldsg-hadoop-master01's password: > > Thank you > -John
