[slurm-users] getting closer

[Ole Holm Nielsen]

On 6/28/19 9:57 AM, Valerio Bellizzomi wrote:
> 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
>>
> 
> I am using another system and another firewall.

No problem, but you *must* ensure that the correct ports are open in the 
firewall!  This information is in the above Wiki page.

/Ole