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Невозможно связаться с диспетчером slurm

Я выполнил шаги по устранению неполадок здесь: https://slurm.schedmd.com/troubleshoot.html.

При запуске scontrol show slurmd я получаю:

Active Steps             = NONE
Actual CPUs              = 1
Actual Boards            = 1
Actual sockets           = 1
Actual cores             = 1
Actual threads per core  = 1
Actual real memory       = 984 MB
Actual temp disk space   = 492 MB
Boot time                = 2019-03-27T17:53:56
Hostname                 = fedora2
Last slurmctld msg time  = NONE
Slurmd PID               = 1549
Slurmd Debug             = 4
Slurmd Logfile           = /var/log/slurmd.log
Version                  = 17.11.13-2

Я не знаю, почему slurmd на Fedora2 не может взаимодействовать с контроллером Fedora1. Демон slurmctld нормально работает на fedora1.

Slurm.conf выглядит следующим образом:

# slurm.conf file generated by configurator easy.html.
# Put this file on all nodes of your cluster.
# See the slurm.conf man page for more information.
#
#SlurmctldHost=fedora1
#
ControlMachine=fedora1
ControlAddr=192.168.1.4 
MailProg=/bin/mail 
MpiDefault=none
#MpiParams=ports=#-# 
ProctrackType=proctrack/cgroup
ReturnToService=1
SlurmctldPidFile=/var/run/slurm/slurmctld.pid
#SlurmctldPort=6817 
SlurmdPidFile=/var/run/slurm/slurmd.pid
#SlurmdPort=6818 
SlurmdSpoolDir=/var/spool/slurmd
SlurmUser=slurm
SlurmdUser=root 
StateSaveLocation=/var/spool/slurmctld
SwitchType=switch/none
TaskPlugin=task/affinity
# 
# 
# TIMERS 
#KillWait=30 
#MinJobAge=300 
#SlurmctldTimeout=120 
#SlurmdTimeout=300 
# 
# 
# SCHEDULING 
FastSchedule=1
SchedulerType=sched/backfill
SelectType=select/cons_res
SelectTypeParameters=CR_Core
# 
# 
# LOGGING AND ACCOUNTING 
AccountingStorageType=accounting_storage/none
ClusterName=fedora
#JobAcctGatherFrequency=30 
JobAcctGatherType=jobacct_gather/none
SlurmctldDebug=verbose 
SlurmctldLogFile=/var/log/slurmctld.log
SlurmdDebug=verbose 
SlurmdLogFile=/var/log/slurmd.log
# 
# 
# COMPUTE NODES 
NodeName=fedora1 NodeAddr=192.168.1.4 CPUs=1 State=UNKNOWN
NodeName=fedora2 NodeAddr=192.168.1.5 CPUs=1 State=UNKNOWN 
PartitionName=debug Nodes=fedora[1-2] Default=YES MaxTime=INFINITE State=UP

Вывод tail /var/log/slurmd.log на Fedora2 в нескольких строках:

error: Unable to register: Unable to contact slurm controller (connect failure)