View source for Slurm

==install slurm under fedora 21==
Build slurm
 rpmbuild -ta slurm*.tar.bz2
Install rpms.
 yum -y install munge slurm slurm-plugins slurm-munge
==configure munge==
 dd if=/dev/random bs=1 count=1024 > /etc/munge/munge.key
 chmod 0600 /etc/munge/munge.key
 chown munge /etc/munge/munge.key
 systemctl start munge

==test installation==
Generate a credential on stdout.
 munge -n
Check if a credential can be locally decoded.
 munge -n | unmunge
Check if a credential can be remotely decoded.
 munge -n | ssh somehost unmunge
Run a quick benchmark.
 remunge
how does it work
 scontrol show config
check priorities of jobs using the command
 scontrol show job".
==job control==
Submit a job
 sbatch /tmp/slurm_test_1
List jobs:
 squeue
Get job details:
 scontrol show job 106
Suspend a job (root only):
 scontrol suspend 135
Resume a job (root only):
 scontrol resume 135
Kill a job. Users can kill their own jobs, root can kill any job.
 scancel 135
Hold a job
 scontrol hold 139
Release a job:
 scontrol release 139
List partitions:
 sinfo
example job script.
 #!/usr/bin/env bash
 #SBATCH -p defq
 #SBATCH -J simple
 sleep 60
==troubleshooting==
Restore node.
 scontrol update nodename=www state=down Reason=troubleshooting
 scontrol update nodename=www state=resume