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- Selectively choose (from storage) just the files you need for running jobs.
- For your convenience, ChemIT has pre-configured your home directory in the following way:...by copying your .ssh/ directory and your .tcshrc file from your /storage directory into your /home directory.
A recent snapshot copy of your data from old Matrix has been put on the storage system in "/storage/netID".
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- See the storage chart for more details on disks & partitions in the new cluster, and how that compares to the old Matrix.
- All research applications are installed under “/software”.
- Get instantly more space, for temporary use, in your home directory, by using the "/notbackedup" disk.
- See section above, "How is the new Fall 2014 Matrix different than the old Matrix?", for links to more details.
- Get info on the nodes on the new Matrix which are available during testing.
- See chart with full details:
- Summary info, true during Phase Two testing:
- Initially about 18 17 nodes will be made available to all researchers.
- This represents the newly purchased nodes and two of each of 5 types of old node.
- There are 8 new compute nodes (m108-m115) accessible. Each new node has 20 cores available.
- For testing, select old Matrix nodes will be have been moved to the new Matrix to ensure adequate computing capacity during testing.
- During testing, GPU's are not available in the new cluster.However, 2 of their At this point, 1 or 2 of GPU nodes will be running as just CPU nodes. GPU functions will be added at a later date if possible.
- Initially about 18 17 nodes will be made available to all researchers.
- See chart with full details:
- Queuing information
- No Express queue available for testing.
- An Express queue will be provisioned when new Matrix is in production.
- The default queue is dque instead of express as no node has been assigned to be available for Express queue.
- No Express queue available for testing.
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- ssh to:
- During test:
matrixtest.scheraga.chem.cornell.edu
- When new Matrix is in production, will be use the new cname:
- matrix.chem.cornell.edu
- N.B. We were going to use the same cname as
- was used for production
- before (scheraga.chem.cornell.edu).
- During test:
- Use your username and your Matrix-specific password.
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- Your home directory is "/users/netID".
- In this location, just retain the files you need for running jobs.
- Place files into storage which you don't need for your current jobs.
- KEY: Keeping your home directory small aids in disaster recovery for the entire group.
- Get instantly more space, for temporary use, in your home directory, by using the "/notbackedup" temporary disk.
- See section below, "How to run jobs requiring lots of space in ones home directory".
- Your storage directory is "/storage/netID".
- Storage is where non-actively usedactive, Scheraga-related, research files belong.
- In production (NOT DURING TESTING!), you will move results and data you want to save long term back to storage
- REMEMBER: All date in "/storage/netID" will be deleted after this testing phase.
- This deletion will allow us to move your current, production data from the old Matrix, when we cut-over.
- All research applications are installed under “/software”.Get instantly more space, for temporary use, in your home directory, by using the "/notbackedup" disk.See section below, "
How to run jobs requiring lots of space in ones home directory
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How to run jobs requiring lots of space in ones home directory
- Explain (to be added) purpose and use of /notbackedup partition to expand a user's effective home directory's storage capacity.Elaborate on how-to, here...
- If using the /notbackedup is not adequate, researcher can explain this and request a larger quota through their Group Cluster Representative (Gia, as of 10/2014)
Matrix user quotas
New user's default quotas
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