Re: [slurm-users] Slurm Upgrade

2020-11-04 Thread Ole Holm Nielsen
On 11/5/20 7:14 AM, navin srivastava wrote: Thank you all for the response. but my question here is I have already built a new server slurm 20.2 with the latest DB. my question is,  shall i do a mysqldump into this server from existing server running with version slurm version 17.11.8 and

Re: [slurm-users] Slurm Upgrade

2020-11-04 Thread Christopher Samuel
Hi Navin, On 11/4/20 10:14 pm, navin srivastava wrote: I have already built a new server slurm 20.2 with the latest DB. my question is,  shall i do a mysqldump into this server from existing server running with version slurm version 17.11.8 This won't work - you must upgrade your 17.11

Re: [slurm-users] Slurm Upgrade

2020-11-04 Thread navin srivastava
Thank you all for the response. but my question here is I have already built a new server slurm 20.2 with the latest DB. my question is, shall i do a mysqldump into this server from existing server running with version slurm version 17.11.8 and then i will upgrade all client with 20.x followed

[slurm-users] update_node / reason set to: slurm.conf / state set to DRAINED

2020-11-04 Thread Kevin Buckley
We have had a couple of nodes enter a DRAINED state where scontrol gives the reason as Reason=slurm.conf In looking at the SlurmCtlD log we see pairs of lines as follows update_node: node nid00245 reason set to: slurm.conf update_node: node nid00245 state set to DRAINED A search of the

Re: [slurm-users] Using hyperthreaded processors

2020-11-04 Thread Sebastian T Smith
Hi, We have Hyper-threading/SMT enabled on our cluster. It's challenging to fully utilize threads, as Brian suggests. We have a few workloads that benefit from it being enabled, but they represent a minority of our overall workload. We use SelectTypeParameters=CR_Core_Memory. This

Re: [slurm-users] Using hyperthreaded processors

2020-11-04 Thread Brian Andrus
JC, One thing you will start finding in HPC is that, by it's goal, hyperthreading is usually a poor fit. If you are properly utilizing your cores, your jobs will actually be slowed by using hyperthreading.  They are not 'extra' cores, but a method of swapping a core to a different workload