Dear users of the HPC systems at LRZ, please read https://www.lrz.de/aktuell/ali00642.html for details on the HPC software stack update scheduled for April 30. This impacts both SuperMUC and Linux Cluster users. Regards -- Dr. Reinhold Bader Leibniz Supercomputing Centre ( <http://www.lrz.de/> http://www.lrz.de) / HPC Systems and Services Tel.: 0049 89 35831 8825 Fax: 9700