Overview
Overview of OSCAR Supercomputer
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Overview of OSCAR Supercomputer
Last updated
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Oscar is Brown University's high performance computing cluster for both research and classes. Oscar is maintained and supported by .
Please contact if there are any questions on Oscar.
If you do not have an Oscar account, you can request one by clicking the following link:
Anyone with a Brown account can get a free Exploratory account on Oscar, or pay for priority accounts.
Authorized users must comply with the following Brown University policies:
Users can run their computing-intensive and/or long runtime jobs/program in Oscar to take advantage of high performance computing resources there, as highlighted below:
2 Login nodes
8 PB of storage
Red Hat Enterprise Linux 9.2 (Linux)
Mellanox InfiniBand network
Slurm Workload manager
Users should not run computations or simulations on the login nodes, because they are shared with other users. You can use the login nodes to compile your codes, manage files, and launch jobs on the compute nodes.
To allow users sharing access to Oscar, there are limits on the maximum number of pending and running jobs a user account may have/submit:
1200 for a priority account
1000 for an exploratory account
Operating systems of all Oscar nodes: Red Hat 9.2
CCV Staff install software upon user requests or help users on software installation
Access and User Accounts - User accounts are controlled via central authentication and directories on Oscar are only deleted on the request of the user, PI, or departmental chair.
Files not accessed for 30 days will be deleted from your ~/scratch
directory. Use ~/data
for files you wish to keep long term.
Oscar users can connect to Oscar by
Non-disruptive Maintenance:
non-disruptive work, including software changes, maintenance, and testing
may occur at any time
no notification provided
Monthly Scheduled Maintenance:
no downtime expected, but there may be limited degradation of performance
first Tuesday of the month, 8:00 am - 12:00 noon
no notification provided
Unscheduled Maintenance:
maximum 1 day downtime
occurs very rarely and includes any unplanned emergency issues that arise
Prior notification provided (depending on the issue, 1 day to 4 weeks advance notice provided)
Major Upgrade Maintenance:
service may be brought down for 3-5 days
occurs annually
4-week prior notification provided
During Business Hours:
During Non-Business Hours:
Call CIS Operations Center at (401) 863-7562. A ticket will get created and CCV staff will be contacted to address the issue.
CCV staff support for researchers seeking help with statistical modeling, machine learning, data mining, data visualization, computational biology, high-performance computing, and software engineering.
CCV provides short videos (coming soon) for users to learn as well.
More details can be found at the .
Individuals external to Brown can get access to Oscar by having a sponsored Brown account. Please work with your department to for any external collaborators.
.
.
Please refer to the details at.
Hundreds of users can share computing resources in Oscar. such as cores and GPUs.
More than 500
Oscar has 8 PB of all-flash storage from VAST, which provides high-performance access to storage. Users have ~/home
, ~/scratch
, and ~/data
directories as their storage with quota in Oscar. Please refer to the details at .
Users can from and to. In particular, users can
Send email to . A ticket will get created and CCV staff will attempt to address the issue as soon as possible.
Send email to .
CCV staff provides tutorials on using Oscar for classes, groups and individual. Please check for upcoming trainings and office hours.