Crux, Sophia, Polaris, and Eagle will undergo extended preventative maintenance, starting Thursday, January 2, at 9:00 a.m. (CST) and ending Thursday, January 9, at 6:45 p.m. (CST). During this time, users will not be able to run on these systems or access their respective login nodes. The Eagle and Grand filesystem will not be accessible directly or via Globus sharing. Please email support@alcf.anl.gov will any concerns or questions.