Can you paste the name node and jobtracker logs.
It could be something as simple as disabling the firewall.
> From: "Barry, Sean F" <[EMAIL PROTECTED]>
>To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>Sent: Tuesday, July 31, 2012 1:23 PM
>Subject: RE: Multinode cluster only recognizes 1 node
>After a good number of hours trying to tinker with my set up I am still am only seeing results for 1, not 2 nodes.
>This is the tut I followed
>After executing ./start-all.sh
>starting namenode, logging to /usr/local/hadoop/logs/hadoop-hduser-namenode-master.out
>slave: starting datanode, logging to /usr/local/hadoop/bin/../logs/hadoop-hduser-datanode-slave.out
>master: starting datanode, logging to /usr/local/hadoop/bin/../logs/hadoop-hduser-datanode-master.out
>master: starting secondarynamenode, logging to /usr/local/hadoop/bin/../logs/hadoop-hduser-secondarynamenode-master.out
>starting jobtracker, logging to /usr/local/hadoop/logs/hadoop-hduser-jobtracker-master.out
>slave: starting tasktracker, logging to /usr/local/hadoop/bin/../logs/hadoop-hduser-tasktracker-slave.out
>master: starting tasktracker, logging to /usr/local/hadoop/bin/../logs/hadoop-hduser-tasktracker-master.out
>From: syed kather [mailto:[EMAIL PROTECTED]]
>Sent: Thursday, July 26, 2012 6:06 PM
>To: [EMAIL PROTECTED]
>Subject: Re: Multinode cluster only recognizes 1 node
>Can you paste the information when you execute . start-all.sh in kernal..
>when you do ssh on slave .. whether it is working fine...
>On Jul 27, 2012 4:50 AM, "Barry, Sean F" <[EMAIL PROTECTED]> wrote:
>> I just set up a 2 node POC cluster and I am currently having an issue
>> with it. I ran a wordcount MR test on my cluster to see if it was
>> working and noticed that the Web ui at localhost:50030 showed that I
>> only have 1 live node. I followed the tutorial step by step and I
>> cannot seem to figure out my problem. When I ran start-all.sh all of
>> the daemons on my master node and my slave node start up perfectly
>> fine. If you have any suggestions please let me know.