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The two NHR centres, NHR@ZIB and NHR-Nord@Göttingen , share a long history of operating HPC systemsystems. This includes the successful operation of HLRN systems time during the HLRN era as well as within the NHR systems alliance since 2021. The federal funding within of the NHR gives rise to separate some services .

  1. Please notice that NHR@ZIB and NHR-Nord@Göttingen are two separated systems. The former HLRN does not exist any more.
    Applications/requests submitted to one site do not affect the other site.

  2. User Accounts/Test Projects

New user accounts

...

of the Berlin and Göttingen sites. We are looking forward to see you on our present and our future NHR systems.

User manuals

User accounts

  • New user accounts

    or
    • and https://hpcproject.gwdg.de are the two portals to create new user accounts, respectively.

    • New user accounts are created at the site where they were applied for (no synchronisation between the sites).

  • Existing user accounts

    • A user

    accounts
    • account created at both sites

    remain
    • remains active at both sites (site policies apply)

    group memberships
    • . Group memberships and SSH public keys of a user account are not

    synchronized
    • synchronised between the sites any more

Personal CPU time

Compute time

  • CPU/GPU time within a test project (personal compute time)

    • Compute time allocations for a test project and consumptions are not

    synchronized
    • synchronised between the sites any more.

    requests
    • Requests for increased

    personal CPU
    • compute time within a test project should be addressed to the desired site.

...

  • CPU/GPU time

...

  • project CPU within a compute project

    • Project compute time allocations and consumptions are not

    synchronized
    • synchronised between the sites any more.

    project CPU projects
    • Projects started in Q2/2024 or earlier can ask for a shift of

    CPU
    • compute time between the sites.

Support mail addresses

...

Documentation

  • https://hlrn.de/dochas been retiredsite specific documentation available now at are the new email addresses to contact the support crews.

  • support@hlrn.de will be retired soon.

Service portals

...

  • .

  • https://zulassung.hlrn.de (for account management and resource accounting) has been retiredsite specific portals now at https://portal.nhr.zib.de and https://hpcproject.gwdg.de, respectively