On Fri, 2019-06-28 at 09:39 +0200, Ole Holm Nielsen wrote: > On 6/28/19 9:18 AM, Valerio Bellizzomi wrote: > > 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. > > You may want to check your firewall settings according to Slurm's > requirements. I've summarized this in my Wiki page: > > https://wiki.fysik.dtu.dk/niflheim/Slurm_configuration#configure-firewall-for-slurm-daemons > > > /Ole >
Thanks
