Polaris will undergo maintenance on Tuesday, September 9, 2025, starting at 14:00 UTC (9:00 a.m. CDT 09/09) and ending at 22:00 UTC (17:00 CDT 09/09). During this time, no jobs will run on the systems, 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.