Ok, I've done all of this. Set up my hosts file in Linux, setup my master and slaves file in Hadoop and setup my hadoop-site.xml. It still does not work. The datanode still gives me this error...
STARTUP_MSG: host = java.net.UnknownHostException: myhost: myhost ...which makes me think its not reading the hadoop-site.xml file at all. I've checked the permissions and the user has full permissions to all files within the Hadoop directory. Any suggestions? Mithila Nagendra wrote: > > You should have conf/slaves file on the master node set to master, node01, > node02..... so on and the masters file on master set to master. Also in > the > /etc/hosts file get rid of 'node6' in the line 127.0.0.1 > localhost.localdomain localhost node6 on all your nodes. Ensure that the > /etc/hosts file contain the same information on all nodes. Also > hadoop-site.xml files on all nodes should have master:portno for hdfs and > tasktracker. > Once you do this restart hadoop. > > On Fri, Apr 17, 2009 at 10:04 AM, jpe30 <jpotte...@gmail.com> wrote: > >> >> >> >> Mithila Nagendra wrote: >> > >> > You have to make sure that you can ssh between the nodes. Also check >> the >> > file hosts in /etc folder. Both the master and the slave much have each >> > others machines defined in it. Refer to my previous mail >> > Mithila >> > >> > >> >> >> I have SSH setup correctly and here is the /etc/hosts file on node6 of >> the >> datanodes. >> >> #<ip-address> <hostname.domain.org> <hostname> >> 127.0.0.1 localhost.localdomain localhost node6 >> 192.168.1.10 master >> 192.168.1.1 node1 >> 192.168.1.2 node2 >> 192.168.1.3 node3 >> 192.168.1.4 node4 >> 192.168.1.5 node5 >> 192.168.1.6 node6 >> >> I have the slaves file on each machine set as node1 to node6, and each >> masters file set to master except for the master itself. Still, I keep >> getting that same error in the datanodes... >> -- >> View this message in context: >> http://www.nabble.com/Datanode-Setup-tp23064660p23101738.html >> Sent from the Hadoop core-user mailing list archive at Nabble.com. >> >> > > -- View this message in context: http://www.nabble.com/Datanode-Setup-tp23064660p23203293.html Sent from the Hadoop core-user mailing list archive at Nabble.com.
