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- Maia: a 32-core SMP system is available at no-charge (Service Level 1). To be decommissioned on June 30, 2020.
- Sol: a 81-node High Performance Computing Cluster (Service Level 2). Sol is a condominium cluster and can be expanded by interested research groups by investing in the Condo Program.
- Ceph: a 600TB storage cluster based on the Ceph distributed storage system.
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Research uses of Research Computing Systems
Service Level 1 (no charge)
Service Level 1 HPC account provides access to Maia (32-core, 128GB SMP) to the entire university community for batch-scheduled use. Access to Maia is provided by the Polaris gateway host, where users can create their batch scripts for submission. No direct SSH access to Maia is supported, and GUI-based codes cannot be run there.
Each HPC Service Level 1 user has a home directory storage quota of 5GB. Scratch storage of 4TB is available on Maia (at /scratch/userid). Users may use this scratch storage for temporary storage of data while their jobs are running. The scratch filesystem cannot be used for long-term storage of any data; all data older than 14 days will be deleted.
Maia will reach its targeted end of life on June 30, 2017. As of Jan 2017, there is no decision made on retiring or replacing Maia. Please consider this if you are using Maia for your computational needs to support grant funded research.
Account Request: To obtain a HPC account on Maia, please use the Account Request Form and select "FREE Linux command-line computing.
Service Level 2 (fee-based allocations)
Service Level 2 An HPC account provides access to Sol, a 81-node condo cluster for research. A faculty member may obtain access to Sol by purchasing a minimum allocation of 50,000 core-hours or service units (SU) for $500. Additional allocations can be purchased in increments of 10,000 SUs for $100 each. An allocation cycle begins on Oct. 1 and ends on Sep. 30 of the next year and will not roll over to the next allocation cycle. At launch, there are 1,400,000 SUs available per allocation cycle. Faculty members who require more computing time or want a gauranteed share of total available computing time annually should consider a Condo Investment.
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Additional Storage: Additional storage (Level 1 & 2) is available by purchasing a Ceph project volume @ $375/TB for 5 years. To request additional home directory storage, please submit request to http://lts.lehigh.edu/help.
Definition of One Core-hour/Service Unit/SU: 1 hour of computing on 1 core. The base compute node on Sol with 20 cores will consume 20 SUs per hour of computing.
More Information: The Research Computing wiki contains details on using the HPC resources, and can be accessed from on-campus locations or via VPN). Polaris and Service Level 2 resources are accessible via ssh. SSH clients are available on all Linux distributions and on MacOS (via Terminal.app). Windows SSH/SFTP clients are available from software.lehigh.edu.
Teaching uses of Research Computing Systems
Faculty members considering use of research computing facilities for teaching purposes should submit a request at https://lts.lehigh.edu/help at least eight weeks prior to the class start date with an anticipated enrollment count, a proposed syllabus, and details of their proposed use of HPC systems.
Service Level 1 Research Computing Resource
There is no charge to use Level 1 research computing resource. A Level 1 account gives access to Maia (32 core, 128GB SMP) for batch-scheduled use. Access to Maia is provided by the Polaris gateway host, where users can create their batch scripts for submission. No direct SSH access to Maia is supported, and GUI-based codes cannot be run there. To request an account for your course, all students registered or auditing the course will need to request an account by visiting the Account Request page. Each account will have a home directory quota of 5GB. If additional storage is required for coursework, a Ceph Project volume will need to be requested at $200/TB/year. To request additional storage, please submit request to https://lts.lehigh.edu/help with class roster. Instructors who use Maia for credited courses should be aware that there will be no reservations created to accommodate increased usage for completing assignments, projects and other course related workloads.
Service Level 2 Research Computing Resource
These accounts are typically associated with a rostered course, and last for the duration of that course (up to one semester). The course instructor can request these accounts for his/her students, and the department offering the course is responsible for paying the associated fees.
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