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I am working on a new MPI platform, but this won't work for this scenario, because so far I understand, you have a lot of shared memory. Maybe it could help you openmp with multithreading for local parallelism and according to my experience, for parallelism through the network, OpenMPI is the best choice and well documented for linux distributions. P.S. ...


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That is corrected in version 14.11. From the NEWS file: * Changes in Slurm 14.11.0pre1 ============================== [...] -- Modify squeue --start option to print the nodes expected to be used for pending job (in addition to expected start time, etc.).


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I had to set permissions not only in the hadoop-data foler as I thought, but in the hadoop folder itself: sudo chown -R hadoopuser /home/hadoopuser/hadoop/ I got the idea from here.


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Simple way to check the ssh service is up and running locally on the guest: ssh localhost alternatively: netstat -an | grep -w LISTEN | grep -w 22 If not installed, have a look to http://askubuntu.com/questions/51925/how-do-i-configure-a-new-ubuntu-installation-to-accept-ssh-connections


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Check List: Are you able to Ping Slave-1 ? Slave-1 IPtables have allowed SSH port ? Stop IPTables and try once. service iptables stop Slave-1 is having SSH service running or not ? If yes try restarting once. service sshd start service sshd stop service sshd restart Make sure you didnt changed SSH default port. Hope it will help.


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It looks like you are using bridged networking and your host and guest already have different IP addresses, 192.168.1.2 for the host (what you call master node) and 192.168.1.5 for the guest (slave node). Don't be confused by addresses in the 127.x.x.x network. These are loopback addresses and they never leave the TCP/IP stack, i.e. two different machines ...



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