$ scontrol create reservation starttime=2009-02-06T16:00:00 \

   duration=120 user=root flags=maint,ignore_jobs nodes=ALL

Reservation created: root_3

​

$ scontrol show reservation

ReservationName=root_3 StartTime=2009-02-06T16:00:00

   EndTime=2009-02-06T18:00:00 Duration=120

   Nodes=ALL NodeCnt=20

   Features=(null) PartitionName=(null)

   Flags=MAINT,SPEC_NODES,IGNORE_JOBS Licenses=(null)

   BurstBuffers=(null)

   Users=root Accounts=(null)