Supercomputer Platform Usage Policy

Purpose of Nodes

Login Nodes: Login nodes are mainly intended for job submission, non-intensive interactive tasks, file management, and software development. Users should not run computationally intensive jobs or long-running processes on login nodes to ensure fair access for all users.
Compute Nodes: Compute nodes are designated for executing computationally intensive jobs and parallel processing tasks. Users should submit their computational jobs to the SLURM scheduling system, which allocates resources on compute nodes based on availability and job requirements.

Storage Policy

For detailed information about storage policies including space quotas and inode limits, please refer to the dedicated storage documentation page.

License Management Policy

Before using licensed software on MeluXina, users must verify the software license terms to determine if it can be used on an HPC and possibly if there is a limit on the number of nodes that can be used.

The next step is then to send us the floating license and the technical requirements for hosting it (Type of license server such as FlexNet, RLM, etc). To this end, contact our service desk at servicedesk.lxp.lu or email servicedesk [at] lxp.lu

Once the license is deployed on one of our 3 license servers, users can use their software on the MeluXina cluster.

If you need help or information about license management or license deployment, do not hesitate to contact the support team.

Software Stacks Policy

We build and maintain several global software stacks using EasyBuild to accommodate different user needs and software requirements:

Production Stack: Updated regularly and suitable for stable, production-level workloads.
Staging Stack: Intended for testing and previewing upcoming software updates.
Previous Version Stacks (both production and staging): Available for use but not actively updated. Maintenance support is provided.
Retired Stacks (both production and staging): No longer maintained or supported. Users should migrate away from this stack.

For more details on our software environment and available stacks, please visit our software environment documentation.

Users have also the capability to develop additional or custom software locally. For detailed instructions, please refer to software installation documentation.

Technical Support for Non Commercial Projects

In this section, we outline the technical support options available for non-commercial projects at LuxProvide. Depending on the nature and scope of your project, we offer varying levels of assistance. Whether you are working on a standard non-commercial project or a specialized EPICURE project, our support is designed to help you maximize the potential of our high-performance computing resources. The table below summarizes the different types of support available, detailing the levels of assistance and specific services provided.

Support Type	L1	L2	L3	L4	Notes
Standard non-commercial projects	X	X			For standard projects, our support is available to assist you with initial setup tasks such as: - Onboarding processes, access and resource management - Technical support for: supercomputer access, data transfer, supercomputing capabilities, job/task management, use of the supercomputing software environment, access to Cloud environment
EPICURE Projects (EuroHPC )			X	X	For EPICURE projects (see this link for more information), which are part of a specialized support initiative, LuxProvide offers more comprehensive technical assistance. Projects selected under the EPICURE framework have access to deeper technical support, ensuring that more complex and detailed challenges can be addressed effectively. More information on EPICURE projects can be found here.