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MARC status:
Cluster operational
No upgrades planned. Please contact us if you experience system issues.
See the MARC Cluster Status page for system notices.
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System Messages
⚠️ January System Updates - 2023/01/01
Beginning January 23, 2023, the MARC cluster will undergo operating system updates. We shall do our utmost to minimize disruption and allow ongoing jobs to be completed. New jobs may be temporarily held from scheduling.
The MARC login node will reboot on the morning of January 23. Please save your work and log out if possible.
The upgrade is planned to be fully complete by January 27.
If you encounter any system issues, do not hesitate to let us know.
Thank you for your cooperation.
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2023/01/01
--- ⚠️ January System Updates
Beginning January 23, 2023, the MARC cluster will undergo operating system updates. We shall do our utmost to minimize disruption and allow ongoing jobs to be completed. New jobs may be temporarily held from scheduling.
The MARC login node will reboot on the morning of January 23. Please save your work and log out if possible.
The upgrade is planned to be fully complete by January 27.
If you encounter any system issues, do not hesitate to let us know.
Thank you for your cooperation.
System Updates Completed - 2023/01/24
The upgrade has been completed. The following has been changed:
- OS Updated to Rocky Linux 8.7
- Slurm updated to 22.05.7
- Apptainer replaces Singularity
- Each job will have its own /tmp, /dev/shm, /run/user/$uid mounted
If you encounter any system issues, do not hesitate to let us know.
Thank you for your cooperation.
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2023/01/24
--- System Updates Completed
The upgrade has been completed. The following has been changed:
- OS Updated to Rocky Linux 8.7
- Slurm updated to 22.05.7
- Apptainer replaces Singularity
- Each job will have its own /tmp, /dev/shm, /run/user/$uid mounted
If you encounter any system issues, do not hesitate to let us know.
Thank you for your cooperation.
Apptainer (Singularity) on MARC Login Node - 2023/06/23
Apptainer (Singularity) containers may experience an error when
running on the MARC login node. If apptainer complains that a system
administrator needs to enable user namespaces, simply run your
containers inside a job.
This is a temporary measure due to security vulnerability that will be
patched soon.
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2023/06/23
--- Apptainer (Singularity) on MARC Login Node
Apptainer (Singularity) containers may experience an error when
running on the MARC login node. If apptainer complains that a system
administrator needs to enable user namespaces, simply run your
containers inside a job.
This is a temporary measure due to security vulnerability that will be
patched soon.
Storage Upgrade MARC/ARC cluster - 2023/10/23
We will be performing storage upgrades on the MARC/ARC cluster on
November 16 and 17, 2023. To facilitate this, we will be throttling
down the number of jobs on both clusters while the upgrades are
performed
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2023/10/23
--- Storage Upgrade MARC/ARC cluster
We will be performing storage upgrades on the MARC/ARC cluster on
November 16 and 17, 2023. To facilitate this, we will be throttling
down the number of jobs on both clusters while the upgrades are
performed
OS Upgrade MARC/ARC cluster - 2024/09/11
MARC will be going down for OS upgrades on 2024/Sep/16. The cluster
will be unavailable temporarily to complete this work. Please contact
support@hpc.ucalgary.ca if you have any questions or concerns.
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2024/09/11
--- OS Upgrade MARC/ARC cluster
MARC will be going down for OS upgrades on 2024/Sep/16. The cluster
will be unavailable temporarily to complete this work. Please contact
support@hpc.ucalgary.ca if you have any questions or concerns.
Scheduled Maintenance - 2024/12/11
The MARC login node will be rebooted on Tuesday December 17 for scheduled maintenance. It will be down for a few minutes and return shortly. Job scheduling and jobs running on the cluster will not be affected. Thank you for understanding.
Please reach out to support@hpc.ucalgary.ca with any issues or concerns.
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2024/12/11
--- Scheduled Maintenance
The MARC login node will be rebooted on Tuesday December 17 for scheduled maintenance. It will be down for a few minutes and return shortly. Job scheduling and jobs running on the cluster will not be affected. Thank you for understanding.
Please reach out to support@hpc.ucalgary.ca with any issues or concerns.