Checklist slurm upgrade

1. stop slurm accross the cluster (slurmctld, slurmdbd, slurmd)
2. dump mysql database 'slurmaccounting_cep4' at lcs032 (see lcs032:/usr/local/bin/mysql_backup.sh)
3. dump slurm accounts and reservations on head01:

   scontrol show res -o > /root/slurm/reservations.`date +\%a`.txt
   sacctmgr dump lofar_cep3 File=/root/slurm/sacctmgr.`date +\%a`.dump
   sacctmgr show qos > /root/slurm/qos.`date +\%a`.dump
     - create backup of /data/home/slurm
     - yum install slurm
     - start slurm on head node
     - check accounts / users: sacctmgr
     - check cobalt reservation
     - start nodes. Check sinfo -R.

In case accounts need to be recreated:

sacctmgr create qos inspectionplots Priority=10 Preempt=normal
sacctmgr create qos permanent Priority=20]
sacctmgr load sacctmgr.Thu.dump