Dear users of SuperMUC, we are currently experiencing some hardware related problems with the GPFS parallel filesystem. IBM and DDN are already notified and working on the problem. We will keep You updated through this announcement as soon as the problems are solved. We apologize for any inconveniences on Your side. This information is also available on our web server http://www.lrz-muenchen.de/services/compute/supermuc/aktuell/ali4689/ Markus Mueller