Slurm: Difference between revisions
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==install slurm under fedora | ==install slurm under fedora 26== | ||
Edit slurm.spec to avoid: "plugin_load_from_file: dlopen(/usr/lib64/slurm/select_linear.so): /usr/lib64/slurm/select_linear.so: undefined symbol: slurm_job_preempt_mode." Add the four lines between %... | |||
%build | |||
CFLAGS="$RPM_OPT_FLAGS -Wl,-z,lazy" | |||
CXXFLAGS="$RPM_OPT_FLAGS -Wl,-z,lazy" | |||
export CFLAGS | |||
export CXXFLAGS | |||
%configure \ | |||
Build slurm | Build slurm | ||
rpmbuild -ta slurm*.tar.bz2 | rpmbuild -ta slurm*.tar.bz2 | ||
Install rpms. | Install rpms. | ||
yum -y install munge slurm slurm-plugins slurm-munge | yum -y install munge slurm slurm-plugins slurm-munge | ||
==configure munge== | ==configure munge== | ||
dd if=/dev/random bs=1 count=1024 > /etc/munge/munge.key | dd if=/dev/random bs=1 count=1024 > /etc/munge/munge.key |
Latest revision as of 17:05, 5 November 2017
install slurm under fedora 26
Edit slurm.spec to avoid: "plugin_load_from_file: dlopen(/usr/lib64/slurm/select_linear.so): /usr/lib64/slurm/select_linear.so: undefined symbol: slurm_job_preempt_mode." Add the four lines between %...
%build CFLAGS="$RPM_OPT_FLAGS -Wl,-z,lazy" CXXFLAGS="$RPM_OPT_FLAGS -Wl,-z,lazy" export CFLAGS export CXXFLAGS %configure \
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