The first thing that needs to be shut down are the fileservers and associated disk arrays.
/root/backup_scripts/show_status
to see the status of zpool backup jobs.ADMIN
:gettys
and select System Shutdown
.coresrv
servers as root and, in no particular order, perform a graceful shutdown.
The SLURM nodes can be shutdown at any time with minimal impact. slurm
the SLURM controller should be brought down gracefully to avoid issues like FS errors that could cause problems bringing the controller back online.