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Tips and Tricks

Miscellaneous tips:

  • You can log in interactively even when type is set to batch
  • Connecting to the compute node once your job has started differs for Windows and Linux:
    -- For Linux, ssh to the comput node
    -- ssh is not available on the Windows compute nodes; first make a secure connection to a login node, then connect to the compute node via Remote Desktop for Windows
  • T: is useful both for scratch space and for speedier file access on the local node
  • Commands in a batch script can either use explicit pathnames or rely on current working directories
  • Your batch script can call a perl or python script
  • Spaces and cases are sometimes important
  • Use vsched –j from a batch node to obtain the Jobid for a machine
  • FAQ

Remember:

  • For jobs submitted from a Windows login node or run on a Windows cluster, you must always change your password with vsched to be recognized by vsched; if you change your password by any other means, issue vsched -r from a login node. More on registering your password with vsched
  • You must submit your job with vsched -submit
  • The path to your batch script cannot include spaces
  • To share resources and avoid unnecessary billing, use vsched -cancel when you're done
  • Linux can hide special characters when moving files between systems. To clean up, use dos2unix:
    -sh-3.00$ dos2unix MyJob.sh

Miscellaneous tips:

  • You can log in interactively even when type is set to batch
  • Connecting to the compute node once your job has started differs for Windows and Linux:
    -- For Linux, ssh to the comput node
    -- ssh is not available on the Windows compute nodes; first make a secure connection to a login node, then connect to the compute node via Remote Desktop for Windows
  • T: is useful both for scratch space and for speedier file access on the local node
  • Commands in a batch script can either use explicit pathnames or rely on current working directories
  • Your batch script can call a perl or python script
  • Spaces and cases are sometimes important
  • Use vsched –j from a batch node to obtain the Jobid for a machine
  • Linux can hide special characters when moving files between systems. To clean up, use dos2unix:
    -sh-3.00$ dos2unix MyJob.sh
  • FAQ

Remember:

  • For jobs submitted from a Windows login node or run on a Windows cluster, you must always change your password with vsched to be recognized by vsched; if you change your password by any other means, issue vsched -r from a login node. More on registering your password with vsched
  • You must submit your job with vsched -submit
  • The path to your batch script cannot include spaces
  • To share resources and avoid unnecessary billing, use vsched -cancel when you're done