Aurora, Crux, Polaris, and Sophia will be unavailable May 27-29, 2025, for maintenance and Infiniband software updates. During this time, no jobs will run on the systems and there will be no access to the login nodes. HPSS will be unavailable and all Globus endpoints will be paused. No recompilation of user codes will be required after the maintenance. Please contact support@alcf.anl.gov with any questions or concerns.