We have just been notified of scheduled electrical maintenance that will be performed on the circuits feeding the data center housing SeaWulf's Intel Sapphire Rapids 96-core nodes. In anticipation of this maintenance the hbm queues and the xeonmax login node will be going off-line starting at 5:00 PM on Monday, June 15th. We anticipate the system to be back up by noon on Tuesday, June 16th, pending timely completion of the electrical maintenance.