[slurm-users] How to turn off core specialization?

2019-08-09 Thread Guertin, David S.
I was doing some testing with core specialization (https://slurm.schedmd.com/core_spec.html) before deciding that I don't want to have it enabled, so I'm trying to turn it off. The problem is that on most of the nodes in my cluster, I can't disable it. I've removed the CoreSpecCount and CPUSpec

Re: [slurm-users] How to turn off core specialization?

2019-08-09 Thread Chris Samuel
On 9/8/19 12:41 pm, Guertin, David S. wrote: I've removed the CoreSpecCount and CPUSpecList lines from slurm.conf. My slurm.conf file is shared via NFS to all the nodes in the cluster, so it should apply to all of them. But for the majority of my nodes, I still see one specialized core: Have

Re: [slurm-users] How to turn off core specialization?

2019-08-09 Thread Guertin, David S.
> Have you restarted all your slurm daemons? Yes, I have done that on every node, but it still shows one specialized core. > Not sure whether "scontrol reconfigure" can deal with that change. I tried "scontrol reconfigure", but it also had no effect. Thanks, Dave

Re: [slurm-users] How to turn off core specialization?

2019-08-09 Thread Guertin, David S.
What's even stranger is that I can change CoreSpecCount to any other number (2, 3, whatever), restart the daemons, and the change is made. But if I try to set it to 0, nothing happens. It's like there's a setting somewhere that is forcing CoreSpecCount to be >0. But I have no idea what that coul