[slurm-users] Host not being a valid controller

Pär Lundö par.lundo at foi.se
Fri Jun 28 14:06:25 UTC 2019

Thank you, of course that is the problem!

Best regards,


On 2019-06-28 15:48, Brian Andrus wrote:
> That is because your configuration only lists node0 as the host. You 
> can only have one slurmctld running at a time, so you can either 
> define node1 as a backuphost or not bother trying to start slurmctld 
> on it.
> Brian Andrus
> On 6/28/2019 6:31 AM, Pär Lundö wrote:
>> Hi all slurm-experts!
>> Recently I managed to configure and install a version 19.05 of Slurm 
>> in Ubuntu 18.04 and Ubuntu 18.10.
>> I got it to run on my single node computer (a notebook)
>> Feeling a bit comfortable with this setup I tried to extrapolate this 
>> to an additional computer, say node1, in my network. I now have two 
>> nodes, node0 and node1. Node0 being the "SlurmctldHost" and node1 
>> being part of a partition. The two nodes have identical copies of 
>> slurm.conf.
>> However when starting the "slurmctld" and "slurmd" at node1, I 
>> receive errors stating that this host (node1) is not a valid controller.
>> Both node0 and node1 have copies of /etc/hosts-file.
>> I can ping both node1 from node0 and node0 from node1.
>> Nodes have the munge.key, I checked it with the cksum-command.
>> Performing a manual start of slurmctld with a arguments of "-D 
>> -vvvvv", I receive the same errors as stated by the "systemctl status 
>> slurmctld"-command.
>> I also recieve an error stating that my MailProg is faulty, however 
>> the "MailProg" in slurm.conf is commented out, and I have no 
>> intention in using one.
>> I have searched documentation and previous posted question of this, 
>> but have not found a solution.
>> Any help is much appreciated, thank you!
>> Best regards,
>> Palle
Hälsningar, Pär
Pär Lundö
Avdelningen för Ledningssystem

Totalförsvarets forskningsinstitut
164 90 Stockholm

Olau Magnus väg 33, Linköping

Tel: +46 13 37 86 01
Mob: +46 734 447 815
Vxl: +46 13 37 80 00
par.lundo at foi.se

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