Get an Account¶
In order to use the ULHPC facilities, you need to have a user account with an associated user login name (also called username) placed under an account hierarchy.
Conditions of acceptance¶
Acceptable Use Policy (AUP)¶
There are a number of policies which apply to ULHPC users.
All users of UL HPC resources and PIs must abide by the UL HPC Acceptable Use Policy (AUP). You should read and keep a signed copy of this document before using the facility.
Access and/or usage of any ULHPC system assumes the tacit acknowledgement to this policy.
Remember that you are expected to acknowledge ULHPC in your publications. See Acceptable Use Policy for more details.
ULHPC Platforms are meant ONLY for R&D!
The ULHPC facility is made for Research and Development and it is NOT a full production computing center -- for such needs, consider using the National HPC center.
In particular, we cannot make any guarantees of cluster availability or timely job completion even if we target a minimum compute node availability above 95% which is typically met - for instance, past KPI statistics in 2019 report a computing node availability above 97%.
Resource allocation policies¶
UL internal R&D and training¶
ULHPC resources are free of charge for UL staff for their internal work and training activities. Principal Investigators (PI) will nevertheless receive on a regular basis a usage report of their team activities on the UL HPC platform. The corresponding accumulated price will be provided even if this amount is purely indicative and won't be charged back.
Any other activities will be reviewed with the rectorate and are a priori subjected to be billed.
Upon request of the FNR and in collaboration with the rectorate and the accounting department of the University, we have formalized the HPC cost model applicable on the ULHPC Facility. On July 7, 2020, this policy was approved by the rectorate and was later validated by the FNR.
Externals and private partners¶
The University extends access to its HPC resources (i.e., facility and expert HPC consultants) to external and private partners. While a limited amount of computational resources can be allocated in such cases, this can be done through a dedicated service contract enforcing a 1 year commitment with an initial pre-paid forfait covering a share of the total planned usage, whether used or not. Several companies such as Arcelor Mittal or Ceratizit use or have used the ULHPC facility to serve their internal needs with such service contract agreements.
How to Get an New User account?¶
- You can submit a request for a new ULHPC account by using the Create a ULHPC account form form.
- Enter your personal data, your organization and your institutional contact information. Specify your direct line manager / project PI. Eventually, if you need to access a specific project directory, mention it in comment. This will be granted only after approval of the project PI.
- Your account will undergo user checks, in accordance with ULHPC policies, to verify your identity and the information proposed. Under some circumstances, there could be a delay while this vetting takes place.
- After vetting has completed, you will receive a welcome email with your login information, and a unique link to a PrivateBin 1 holding a random temporary password. That link will expire if not used within 24 hours. The PI and PI Proxies for the project will be notified when applicable.
- Finally, you will need to log into the HPC IPA Portal to set up your initial password and Multi-Factor Authentication (MFA) for your account.
- Your new password must adhere to ULHPC's password requirements
- ULHPC Identity Management (IPA portal) documentation
UL HPC \neq University credentials
- ULHPC credentials are maintained by the HPC team; associated portal: https://hpc-ipa.uni.lu
- authentication service for: UL HPC, Gitlab
- University credentials are maintained by the IT team of the University
- authentication service for Service Now and all other UL services
Managing User Accounts¶
ULHPC user accounts are managed in through the HPC IPA web portal.
If you think there has been a computer security incident you should contact the ULHPC Team and the University CISO team as soon as possible:
Subject: Security Incident for HPC account '
<login>' (ADAPT accordingly)
Please save any evidence of the break-in and include as many details as possible in your communication with us.
How to Get an New Project account?¶
Projects are defined for accounting purposes and are associated to a set of user accounts allowed by the project PI to access its data and submit jobs on behalf of the project account. See Slurm Account Hierarchy.
You can request (or be automatically added) to project accounts for accounting purposes. For more information, please see the Project Account documentation
Can I share an account? – Account Security Policies¶
The sharing of passwords or login credentials is not allowed under UL HPC and University information security policies. Please bear in mind that this policy also protects the end-user.
Sharing credentials removes the ability to audit and accountability for the account holder in case of account misuse. Accounts which are in violation of this policy may be disabled or otherwise limited. Accounts knowingly skirting this policy may be banned.
If you find that you need to share resources among multiple individuals, shared projects are just the way to go, and remember that the University extends access to its HPC resources (i.e., facility and expert HPC consultants) to the scientific staff of national public organizations and external partners for the duration of joint research projects under the conditions defined above.
When in doubt, please contact us and we will be happy to assist you with finding a safe and secure way to do so.