Changes to this message: User operation suspended again Status update (March 13, 17:00) Unfortunately the data corruption problem has recurred. We have again suspended user operation. Status update (March 13, 16:15) IBM in collaboration with DDN and Mellanox has isolated and repaired two technical issues. One of these issues was located in the I/O subsystem and has caused data corruption which was noticed by GPFS but could not be automatically repaired, leading to unavailability of the file system. It is believed that the scope of this data corruption was limited to a single file, which was identified and removed from the GPFS file system. After successful internal test runs the system has been returned to regular user operation. ----------------------------------------------------------------------- Dear users of SuperMUC, Due to a problem with the GPFS services access to the file systems WORK and SCRATCH is presently disrupted. IBM is attending to the problem, and we'll keep you up to date on the status via this document. Apologies for any delays in job processing. This information is also available on our web server http://www.lrz-muenchen.de/services/compute/supermuc/aktuell/ali4543/ Reinhold Bader