Custom processing orders stays as "submitted"

And slurmd is still running? What do scontrol show node and sinfo show?

slurmd status:

● slurmd.service - Slurm node daemon
   Loaded: loaded (/usr/lib/systemd/system/slurmd.service; enabled; vendor preset: disabled)
  Drop-In: /etc/systemd/system/slurmd.service.d
           └─override.conf
   Active: active (running) since Tue 2018-03-13 09:49:24 UTC; 2h 5min ago
  Process: 889 ExecStart=/usr/sbin/slurmd $SLURMD_OPTIONS (code=exited, status=0/SUCCESS)
 Main PID: 974 (slurmd)
   CGroup: /system.slice/slurmd.service
           └─974 /usr/sbin/slurmd

Mar 13 09:49:24 benchmark-32-4sites.novalocal systemd[1]: Starting Slurm node daem...
Mar 13 09:49:24 benchmark-32-4sites.novalocal systemd[1]: PID file /var/run/slurmd...
Mar 13 09:49:24 benchmark-32-4sites.novalocal systemd[1]: Started Slurm node daemon.

scontrol show:

NodeName=localhost Arch=x86_64 CoresPerSocket=1
   CPUAlloc=0 CPUErr=0 CPUTot=8 CPULoad=0.03 Features=(null)
   Gres=(null)
   NodeAddr=localhost NodeHostName=localhost Version=15.08
   OS=Linux RealMemory=1 AllocMem=0 FreeMem=7091 Sockets=8 Boards=1
   State=IDLE+DRAIN ThreadsPerCore=1 TmpDisk=0 Weight=1 Owner=N/A
   BootTime=2018-03-13T09:49:10 SlurmdStartTime=2018-03-13T09:49:24
   CapWatts=n/a
   CurrentWatts=0 LowestJoules=0 ConsumedJoules=0
   ExtSensorsJoules=n/s ExtSensorsWatts=0 ExtSensorsTemp=n/s
   Reason=Low socket*core*thread count, Low CPUs [slurm@2018-03-05T12:44:48]

sinfo:

PARTITION  AVAIL  TIMELIMIT  NODES  STATE NODELIST
sen2agri*     up   infinite      1  drain localhost
sen2agriHi    up   infinite      1  drain localhost

I believe you need to run scontrol reconfigure and maybe restart slurmd (systemctl restart slurmd) after editing /etc/slurm/slurm.conf.

sinfo -R will give you the reason your nodes are in the state drain and you can resume them with scontrol update NodeName=localhost state=resume