For clarity, they should not need to talk to the compute nodes unless
you intend to do interactive work. You should only need to talk to the
master to submit jobs.
-Paul Edmon-
On 10/26/2015 9:45 PM, Paul Edmon wrote:
What we did was that we just opened up port 6817 between the two
VLAN's. So long as the traffic is routeable and they see the same
slurm.conf that should work. All the login node needs is slurm.conf,
and the slurm, slurm-munge, and slurm-plugin rpms. You don't need to
run the slurm service to submit as all you need is the ability of the
login node to talk to the master.
-Paul Edmon-
On 10/26/2015 8:02 PM, Liam Forbes wrote:
Hello,
I’m in the process of setting up SLURM 15.08.X for the first time.
I’ve got a head node and ten compute nodes working fine for serial
and parallel jobs. I’m struggling with figuring out how to configure
a pair of login nodes to be able to get status and submit jobs. I’ve
been searching through the documentation and googling, but I’ve not
found a reference other than brief mentions of login nodes or submit
hosts.
Our pair of login nodes share an ethernet network with the head node.
They do not, currently, share a network, ethernet or IB, with the
compute nodes. When I execute SLURM commands like sinfo or squeue,
using strace I can see them attempting to communicate with port 6817
on the head node. However, the head node doesn’t respond. lsof on the
head node seems to indicate slurmctld is only listening on the
private network shared with the compute nodes.
Is there a reference for configuring login nodes to be able to query
slurmctld and submit jobs? If not, would somebody with a similar
configuration be willing to share some guidance?
Do the login nodes need to be on the same network as the compute
nodes, or at least the same network as slurmctld is listening on?
Apologies if these questions have been answered somewhere else, I
just haven’t found that documentation.
Regards,
-liam
-There are uncountably more irrational fears than rational ones. -P.
Dolan
Liam Forbes [email protected] ph: 907-450-8618 fax:
907-450-8601
UAF Research Computing Systems Senior HPC Engineer LPIC1, CISSP
