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ALICE User Documentation Wiki v02

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Welcome to the ALICE HPC user documentation.

ALICE is a computing facility for state-of-the-art research and education of Leiden University. With ALICE you have the world of computing at your fingertips. On this wiki, you can find the information you'll need to get started and become more skilled in using computing to support your research and education.

We appreciate any questions or comments on the content of the documentation so that we can improve the range of information that we supply here.

If you are unsure about where to go next, have a look below.

What is ALICE?

Please check out the About ALICE pages to get some background information, a quick overview and see how to acknowledge it.

What's new with ALICE?

To get information about updates, upgrades, events, planned maintenance and more, have a look at the News page.

Here are the most recent news:

Latest News

  • 23 Jul. 2021 - Leiden University network maintenance on 31 Jul/01 Aug: Maintenance on the network of Leiden University will take place on the weekend of 31 July/01 August. During this time ALICE will continue to run, but in total isolation, i.e., with no internet access. This means that you will not be able to login to ALICE and jobs cannot for example pull code, download data or access license servers. During the maintenance, the status will be tracked here Next maintenance
  • 29 Jun. 2021 - ALICE system maintenance finished (Update): System maintenance has finished and ALICE is available again.
    • However, two one issue remains.
    • Login node 1 is down due to technical issues on the node. Login2 is running and can be used instead. Connections that are intended to login1 are automatically routed to login2. There should be no need to change your ssh configs.
    • The Infiniband network is down due to technical issues on the Infiniband switch.
    • List of changes:
      • Login node 1 is running and the NVIDIA Tesla T4 has been integrated successfully. Instructions on using the T4 will follow soon.
      • Slurm version 20.11.7 is now running on ALICE
      • EasyBuild 4.4.0 is used for the Intel and AMD branch
      • The partitions notebook-gpu, notebook-cpu, playground-cpu, playground-gpu have been removed.
      • The time limit on the mem partition has been changed from Infinite to 14 days.
      • Resources on the testing partitions are now limited to 15 CPUs per node, a maximum amount of memory per node of 150G, a default memory per cpu of 10G.
  • 28 Jun. 2021 - ALICE system maintenance continues tomorrow: During our maintenance, we encountered a few issues with the Infiniband switch and login node 01. Because of the issues, we also did not finish updating the GPU nodes. We will continue working on these item tomorrow (Tuesday, 29 June 2021) until at least 12:00. ALICE will remain offline for maintenance.
  • 27 Jun. 2021 - ALICE offline for system maintenance: More information here Next maintenance.
  • 25 Jun. 2021 - System maintenance on ALICE: ALICE will undergo system maintenance on 28 June 2021. More information here Next maintenance.
  • 2 Jun. 2021 - Rclone available on ALICE: Rclone is available on ALICE and there are instructions on how to set it up to transfer files to and from SurfDrive and ResearchDrive: Data transfer to and from ALICE. This is a new feature and feedback on your experience is very welcome.

Next Maintenance

Leiden University network maintenance on 31 Jul/01 Aug

Maintenance on the network of Leiden University will take place on the weekend of 31 July/01 August.

During this time ALICE will continue to run, but in total isolation, i.e., with no internet access. This means that you will not be able to login to ALICE and jobs cannot for example pull code, download data or access license servers.

We will use this page to provide updates on the status of the cluster.

If you have any question, please contact the ALICE Helpdesk.


Just Getting Started?

If you're new to ALICE, please check out the User Guide.

What more can I do with ALICE?

If you already have experience with ALICE and/or HPC, have a look at the Advanced Guide pages. Please note that many of the pages here are still under construction and subject to change.

What else is there about ALICE?

If you need more information on general topics, such as hardware, storage, and policies, please take a look at the Documentation pages. Please note that many of the pages here are still under construction and subject to change.

Have a question or feedback on ALICE?

If you have a question about ALICE, need help with using it or want to give us some feedback, please see the Support page to know how you can connect with us.

Status of ALICE?

Would you like to know how busy ALICE is and if all nodes are up, then please have a look at the Current Status Overview.