Polaris, Aurora, Sophia, and Crux will be unavailable May 27-30, 2025, for Infiniband software updates. No recompilation of user codes will be required after the maintenance. Globus endpoints alcf#dtn_home, alcf#dtn_grand, alcf#dtn_eagle, and alcf#dtn_flare will be unavailable. Please contact support@alcf.anl.gov with any questions or concerns.