On Fri, 2019-06-28 at 08:51 +0200, Valerio Bellizzomi wrote: > On Thu, 2019-06-27 at 18:35 +0200, Valerio Bellizzomi wrote: > > The nodes are now communicating however when I run the command > > > > srun -w compute02 /bin/ls > > > > it remains stuck and there is no output on the submit machine. > > > > on the compute02 there is a Communication error and Timeout. > > > > the network ports 6817 and 6818 are open. > > > Looking at the firewall logs, slurmctld wants to connect back to a range > of ports which are closed.
As a test I stopped the firewall service on the submit machine, now the command above is working fine.
