Summary
Resources per team
HPC Cluster Navigator. Full description at https://www.uc.pt/lca/computing-resources/navigator-cluster/
Resource Access
Direct ssh to Navigator cluster after creating the respective account.
Data cube access
Shared directory.
Resource management
Slurm is used as resource management. New users have access to full documentation about the system and software environment in a internal Wiki page,
Software management
Users can install software, and have access to system wide applications and tools installed via environment modules.
Documentation
Full documentation about the system and software environment in a internal Wiki page is available to new users. Some information is provided in UC-LCA site.
Support
Support is available via ticketing system (helpdesk). Tickets response are limited to business days. Moderate knowledge of Linux and Job Schedulers is expected.
Resource location
Portugal
Technical specifications
Overview
Per user resource
Suitable flavors for UC-LCA-UC HPC depend on the Slurm partition used (For a fixed CPU time duration agreed with SDC3 hosts):
up to 1024 cores with 4GB/core;
up to 160 cores with 8GB/core
SMP system with 72 cores and 3TB memory.
disk up to 10TB
Software installed
Linux CentOS. Users can install software, and have access to system wide applications and tools installed via environment modules.
Volume of resource
A share disk space quota is assigned to each team.
GPUs if any
GPU partition provides access to Nvidia V100 GPUs with 16GB memory.
User access
Open the accounts
Open accounts by request (email to helpdesk.lca@uc.pt).
Logging in
Use a ssh client to login to navigator https://www.uc.pt/lca/computing-resources/navigator-cluster/#general-information
Authentication
Authentication is done by private/public key exchange. Users are encouraged to protect their private key with a passphrase. See https://www.uc.pt/lca/cluster-access/#request-access
How to run a workflow
Information in the internal Wiki page
Accessing the data cube
The data cube will be available via a volume mounted on the team's shared project space.
Software management
Users can install software and have access to system wide applications and tools installed via environment modules.
Containerization
Users can use Singularity to run containers on the Navigator cluster.
Documentation
Full documentation about the system and software environment in a internal Wiki page is available to new users. Some information is provided in UC-LCA site.
Resource management
For Navigator Cluster, resource management is done via SLURM job scheduler. Each team will be assigned to an account with a predefined number of hours and disk quota.
Statistics of resource usage will appear on the login page and the sbank utility is available as well.
Support
Support is available via a ticketing system (helpdesk.lca@uc.pt). Tickets response are limited to business days. Moderate knowledge of Linux and Job Schedulers is expected.
Credits and acknowledgements
Teams making use of UC-LCA resources in their publication, they should Acknowledge it as follows :
The authors acknowledge the Laboratory for Advanced Computing at University of Coimbra for providing {HPC, computing, consulting} resources that have contributed to the research results reported within this paper or work. See https://www.uc.pt/lca/about/