Sds-hd hpc access: Difference between revisions
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#REDIRECT [[SDS@hd]] |
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[[File:Sds-hd_hpc_connection.png|center|border|700px|SDS@hd University Heidelberg]] |
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| style="text-align:center; color:#000;vertical-align:middle;" |<span style="font-size:100%">'''SDS@hd ScientificDataStorage © University Heidelberg''' </span> |
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It is possible to access your storage space on [http://sds-hd.urz.uni-heidelberg.de SDS@hd] directly on the bwforCluster MLS&WISO. |
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You can access your SDS@hd directory with a valid Kerberos ticket on all compute nodes '''except standard nodes'''. Kerberos tickets are obtained and prolongated on the data mover nodes data1 and data2. Before a Kerberos ticket expires, notification is sent by e-mail. |
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== Direct access in compute jobs == |
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* Login in to a datamover, i.e. "ssh data1" or "ssh data2" (passwordless) |
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* Fetch a Kerberos ticket with command: kinit (use your SDS@hd service password) |
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* Prepare your jobscript to use the directory ''/mnt/sds-hd/<your-sv-acronym>'' |
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* submit your job |
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== Copying data on data mover node == |
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Certain workflows or I/O patterns may require the transfer of data from SDS@hd to a workspace on the cluster before submitting jobs. Data transfers are possible on the data mover nodes data1 and data2: |
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* Login to a data mover node with command: ssh data1 (passwordless) |
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* Fetch a Kerberos ticket with command: kinit (use your SDS@hd service password) |
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* Find your SDS@hd directory in /mnt/sds-hd/ |
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* Copy data between your SDS@hd directory and your workspaces |
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* Destroy your Kerberos ticket with command: kdestroy |
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* Logout from data1 for further work on the cluster |
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[[Category:Sds-hd]] |
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[[Category:bwForCluster_MLS&WISO_Production|File System]] |
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Latest revision as of 16:55, 19 August 2022
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