Difference between revisions of "BwUniCluster2.0/Maintenance/2023-03"

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= Hardware =
 
= Hardware =
   
* All firmware versions on all components will be upgraded
+
* All firmware versions on all components will be upgraded.
   
 
= Operating system =
 
= Operating system =
   
* The operating system will be upgraded from RHEL 8.4 EUS to RHEL 8.6 EUS
+
* The operating system will be upgraded from RHEL 8.4 EUS to RHEL 8.6 EUS. We recommend to re-compile all applications after the upgrade.
   
* The Mellanox OFED InfiniBand Stack will be updated
+
* The Mellanox OFED InfiniBand Stack will be updated.
   
 
= Compilers, Libaries and Runtime Environments =
 
= Compilers, Libaries and Runtime Environments =
Line 36: Line 36:
 
= Userspace tools =
 
= Userspace tools =
   
  +
* The hpc-workspace tools will be updated to version 1.4.0.
   
 
= Software Modules =
 
= Software Modules =
   
  +
* The Lmod module system will be upgraded.
  +
  +
* Old openmpi 4.0 modules will be removed. Please use openmpi 4.1.
   
 
= Batch system =
 
= Batch system =
   
  +
* The Slurm version will be upgraded to version 23.02.0.
   
 
= Storage =
 
= Storage =
   
  +
* Lustre client, BeeGFS client and Spectrum Scale client will be updated.
   
 
= Graphics stack =
 
= Graphics stack =
   
* The NVIDIA driver will be upgraded
+
* The NVIDIA driver will be upgraded.
   
 
= Containers =
 
= Containers =
   
  +
* Enroot will be upgraded.
   
  +
* Singularity will be replaced with its successor Apptainer. (the command 'singularity' will still work)
   
 
= JupyterHub =
 
= JupyterHub =

Revision as of 15:53, 13 March 2023

The following changes will be introduced during the maintenance interval between on 20.03.2023 (Monday) 08:30 and 24.03.2023 (Friday) 15:00.

The host key of the system will not change. 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 will be upgraded.

2 Operating system

  • The operating system will be upgraded from RHEL 8.4 EUS to RHEL 8.6 EUS. We recommend to re-compile all applications after the upgrade.
  • The Mellanox OFED InfiniBand Stack will be updated.

3 Compilers, Libaries and Runtime Environments

4 Userspace tools

* The hpc-workspace tools will be updated to version 1.4.0.

5 Software Modules

* The Lmod module system will be upgraded.
* Old openmpi 4.0 modules will be removed. Please use openmpi 4.1.

6 Batch system

* The Slurm version will be upgraded to version 23.02.0.

7 Storage

* Lustre client, BeeGFS client and Spectrum Scale client will be updated.

8 Graphics stack

  • The NVIDIA driver will be upgraded.

9 Containers

  • Enroot will be upgraded.
  • Singularity will be replaced with its successor Apptainer. (the command 'singularity' will still work)

10 JupyterHub