BwUniCluster2.0/Maintenance/2022-03

The following changes have been introduced during the maintenance interval between on 28.03.2022 (Monday) 08:00 and 31.03.2022 (Thursday) 16:00.

The host key of the system have not changed. You should not receive any warnings by your SSH client(s), but if there should be a warning or if you want to check that you are connecting to the correct system, you can verify the key hashes using the following list:

Algorithm	Hash (SHA256)	Hash (MD5)
RSA	p6Ion2YKZr5cnzf6L6DS1xGnIwnC1BhLbOEmDdp7FA0	59:2a:67:44:4a:d7:89:6c:c0:0d:74:ba:3c:c4:63:6d
ECDSA	k8l1JnfLf1y1Qi55IQmo11+/NZx06Rbze7akT5R7tE8	85:d4:d9:97:e0:f0:43:30:6e:66:8e:d0:b6:9b:85:d1
ED25519	yEe5nJ5hZZ1YbgieWr+phqRZKYbrV7zRe8OR3X03cn0	42:d2:0d:ab:87:48:fc:1d:5d:b3:7c:bf:22:c3:5f:b7

1 Hardware

• All firmware versions on all components have been upgraded

2 Operating system

• The operating system version is now based on Red Hat Enterprise Linux (RHEL) 8.4.

• The Mellanox OFED InfiniBand Stack has been updated.

6 Batch system

• The Slurm version has not been changed.

7 Storage

• The Lustre file systems have been updated.

8 Graphics stack

• The NVIDIA driver has been upgraded to version 510.47.03.

9 Containers

• Enroot will be upgraded

• Singularity will be upgraded

10 JupyterHub

• Jupyterhub version will be upgraded to 2.2.0