<html><head></head><body><div class="ydpf5de0f4dyahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><div><div dir="ltr" data-setdir="false"><div>Dear All,<br><br>Preamble<br>----------<br>I want to form simple cluster with three laptops:<br>abhi-Latitude-E6430 //This serves as the controller<br>abhi-Lenovo-ideapad-330-15IKB //Compute Node<br>abhi-HP-EliteBook-840-G2 //Compute Node<br><br><br>Aim<br>-------------<br>I want to make use of CPU+GPU+RAM on all the machines when I execute JAVA programs or Python programs.<br><br><br>Implementation<br>------------------------<br>Now let us look at the slurm.conf<br><br>On Machine abhi-Latitude-E6430<br><br>ClusterName=linux<br>ControlMachine=abhi-Latitude-E6430<br>SlurmUser=abhi<br>SlurmctldPort=6817<br>SlurmdPort=6818<br>AuthType=auth/munge<br>SwitchType=switch/none<br>StateSaveLocation=/tmp<br>MpiDefault=none<br>ProctrackType=proctrack/pgid<br>NodeName=abhi-Lenovo-ideapad-330-15IKB RealMemory=12000 CPUs=2<br>NodeName=abhi-HP-EliteBook-840-G2 RealMemory=14000 CPUs=2<br>PartitionName=debug Nodes=ALL Default=YES MaxTime=INFINITE State=UP<br><br>Same slurm.conf is copied to all the Machines.<br><br><br>Observations<br>--------------------------------------<br>Now when I do<br>abhi@abhi-HP-EliteBook-840-G2:~$ service slurmd status<br>● slurmd.service - Slurm node daemon<br> Loaded: loaded (/lib/systemd/system/slurmd.service; enabled; vendor preset: enabled)<br> Active: active (running) since Wed 2020-05-13 18:50:01 IST; 1min 49s ago<br> Docs: man:slurmd(8)<br> Process: 98235 ExecStart=/usr/sbin/slurmd $SLURMD_OPTIONS (code=exited, status=0/SUCCESS)<br> Main PID: 98253 (slurmd)<br> Tasks: 2<br> Memory: 2.2M<br> CGroup: /system.slice/slurmd.service<br> └─98253 /usr/sbin/slurmd<br><br>abhi@abhi-Lenovo-ideapad-330-15IKB:~$ service slurmd status<br>● slurmd.service - Slurm node daemon<br> Loaded: loaded (/lib/systemd/system/slurmd.service; enabled; vendor preset: enabled)<br> Active: active (running) since Wed 2020-05-13 18:50:20 IST; 8s ago<br> Docs: man:slurmd(8)<br> Process: 71709 ExecStart=/usr/sbin/slurmd $SLURMD_OPTIONS (code=exited, status=0/SUCCESS)<br> Main PID: 71734 (slurmd)<br> Tasks: 2<br> Memory: 2.0M<br> CGroup: /system.slice/slurmd.service<br> └─71734 /usr/sbin/slurmd<br><br>abhi@abhi-Latitude-E6430:~$ service slurmctld status <br>● slurmctld.service - Slurm controller daemon<br> Loaded: loaded (/lib/systemd/system/slurmctld.service; enabled; vendor preset: enabled)<br> Active: active (running) since Wed 2020-05-13 18:48:58 IST; 4min 56s ago<br> Docs: man:slurmctld(8)<br> Process: 97114 ExecStart=/usr/sbin/slurmctld $SLURMCTLD_OPTIONS (code=exited, status=0/SUCCESS)<br> Main PID: 97116 (slurmctld)<br> Tasks: 7<br> Memory: 2.6M<br> CGroup: /system.slice/slurmctld.service<br> └─97116 /usr/sbin/slurmctld<br><br> <br>However abhi@abhi-Latitude-E6430:~$ sinfo<br>PARTITION AVAIL TIMELIMIT NODES STATE NODELIST<br>debug* up infinite 1 down* abhi-Lenovo-ideapad-330-15IKB<br><br><br>Advice needed<br>------------------------<br>Please let me know Why I am seeing only one node. <br>Further how the total memory is calculated? Can Slurm make use of GPU processing power as well<br>Please let me know if I have missed something in configuration or explanation.<br><br>Thank you all<br><br></div></div><div class="ydpf5de0f4dsignature"><div style="font-family:Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr">Best Regards,</div><div dir="ltr"><b><div class="ydp9cad327apasted-link"><div dir="ltr"><div><div dir="ltr" style="font-family:Helvetica, Arial, sans-serif;">Abhinandan H. Patil,<b> +919886406214</b></div><div class="ydp9cad327ayiv5893919466ydp86a042edyiv5783497666ydp139ac2easignature" style="font-family:Helvetica, Arial, sans-serif;"><div style="font-family:Helvetica, Arial, sans-serif;"><div dir="ltr"><a href="http://Abhinandan's home page" rel="nofollow" target="_blank"><b>https://www.AbhinandanHPatil.info</b></a></div></div></div></div><br></div><div><br></div></div></b></div></div></div></div></div></body></html>