Right now I'm just trying to get one node running. Once its running I'll copy it over.
jason hadoop wrote: > > Have you copied the updated hadoop-site.xml file to the conf directory on > all of your slave nodes? > > > On Thu, Apr 23, 2009 at 2:10 PM, jpe30 <jpotte...@gmail.com> wrote: > >> >> 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. >> >> > > > -- > Alpha Chapters of my book on Hadoop are available > http://www.apress.com/book/view/9781430219422 > > -- View this message in context: http://www.nabble.com/Datanode-Setup-tp23064660p23208349.html Sent from the Hadoop core-user mailing list archive at Nabble.com.
