News Archive

From ALICE Documentation

News Archive


  • 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.
  • 29 Apr. 2021 - ALICE User Survey 2021 closed: The ALICE User Survey 2021 is closed. We have received responses from 76 users. We are thrilled to have this many contributions. Thank you very much for participating in the survey. We will go through all the answers now and share results from the survey here on the wiki with you.
  • 29 Mar. 2021 - ALICE User Survey 2021 out: The ALICE User Survey 2021 is online. All users should have received a link and password. If you are a user and you have not received a link, please contact the ALICE Helpdesk. We hope that you take the time to fill it out and help us improve ALICE: We are looking forward to your responses.
  • 29 Mar. 2021 - MATLAB 2020b available: We have updated MATLAB to version 2020b and changed the license server configuration so that ALICE can now make use of the MATLAB campus license. If you still need version 2019b, please contact the ALICE Helpdesk.
  • 8 Mar. 2021 - Maintenance was successful: Login node 02 has been expanded with an NVIDIA Tesla T4. The new GPU will be tested by us in the next few weeks. So, for now please do not use the GPU. After testing has been completed, we will release the GPU for general use and provide more information.
  • 12 Feb. 2021 (Update 22 Feb. 2021) - SSH Connection Stability: If you recently started experiencing that your ssh connection is breaking up after a few minutes of being idle, please check the settings below for you ssh configuration for ALICE. If this does not solve the issue, please contact the ALICE Helpdesk.
    • for Linux, MacOS, Windows using OpenSSH command line connection: Make sure you use "ServerAliveInterval 60" and "ServerAliveCountMax 3" to your ssh config settings.
    • MobaXterm: Go to Settings -> SSH -> SSH settings and enable "SSH keepalive"
    • PuTTY: Go to Settings -> Connection -> Set a non-0 value in "Settings between keepalives" (e.g., 60)
  • 27 Jan. 2021 - Next Maintenance 01 Feb 2021: The next maintenance window will be on 01 Feb 2021. The planned work is outlined here (Maintenance). We expect ALICE to work without interruptions during the maintenance.
  • 25 Jan. 2021 - Outlook for ALICE in 2021: We have updated the section outlining our expansions plans for ALICE in 2021 (Future plans). Two major items this year will be the addition of a new parallel file storage system and the expansion of the GPU nodes. But there is more on our agenda, so stay tuned...
  • 08 Jan. 2021 - SURF HPC Workshops: SURF is offering HPC-related workshops on various topics. You can find a list of upcoming workshops (and more) on the SURF website (Link). Workshops of interest to HPC users are:
    • Webinar Introduction Supercomputing
    • Webinar Introduction HPC Cloud
    • Using the Amsterdam Modeling Suite in HPC systems
    • SURF Research Week
  • 04 Jan. 2021 - Happy New Year: We wish all users a Happy New Year and all the best for 2021. We are looking forward to the exciting research and education that will be done with ALICE in 2021. Happy computing.


  • 16 Dec. 2020 - Christmas/New-Years break: During the holiday period from Dec 21, 2020 until Jan 4, 2021 most of the system managers will be on vacation. This means that we will not respond immediately to helpdesk requests. However, we will act on emergency situations. The cluster will be running normally throughout this period without interruption or intervention from our side.
  • 2 Dec. 2020 - TensorFlow update: The new default module is TensorFlow/2.2.0-fosscuda-2019b-Python-3.7.4
  • 2 Dec. 2020 - SLURM note: Connecting to a node on which your job is running is only possible if your job is the only one running on that node.
  • 2 Nov. 2020 - CUDA update: Version 10.2.89 is now the default.
  • 19 Oct. 2020 - TensorFlow update: We have installed a new version of TensorFlow/2.2.0-fosscuda-2019b-Python-3.7.4. The module is not yet set as the default, so you have to load it explicitely. As soon as we make it the default, it will be announced here.