Polaris will undergo maintenance on Monday, September 29, 2025, starting at 14:00 UTC (9:00 a.m. CDT 09/29) and ending at 22:30 UTC (5:30 p.m. CDT 09/29). During this time, no jobs will run on the system, and there will be no access to the login nodes. Filesystem access will be disrupted. Please contact support@alcf.anl.gov with any questions or concerns.