Polaris, Theta, and ThetaGPU will undergo regular maintenance on Monday, January 23, 2023, starting at 15:00 UTC (09:00 CST 01/23), and ending at 03:30 UTC on Tuesday, January 24 (21:30 CT 01/23). During this time, no jobs will be run on the systems and there will be no access to the login nodes. Filesystem access will be disrupted.