Queues have been halted

+++ Update 2025-07-22 +++ Queues have been reactivated

for “Small” projects on the Lichtenberg HPC

for “Small” projects on the Lichtenberg HPC

The new portal uses the same technology as the NHR application portal for NHR-N- and NHR-L projects, and supersedes our deprecated old system.

Jumping up a major release of the cluster's operating system

Some login and compute nodes are already migrated to RHEL 9.4

System back at normal and available

+++ Update 17:00: The deadlock problem could only be fixed by (hard) reset of various GPFS master servers and a reboot of all compute nodes. Hence, all running jobs at the time of the GPFS lockup unfortunately are lost. If you did not explicitly prohibit it (by using special parameters), the scheduler will restart those jobs on its own. +++

for operations on the power infrastructure

For the final repair of the 2000A power rail, the whole HPC cluster will be down.