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Changes between Version 41 and Version 42 of External_Supercomputing_Notes


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Timestamp:
May 16, 2014, 5:30:01 PM (12 years ago)
Author:
watersc1
Comment:

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  • External_Supercomputing_Notes

    v41 v42  
    4848
    4949 * Box 3-5: Exec
    50 Once the prepare is finished, pantasks can launch an exec script [3]
     50Once the prepare is finished, pantasks can launch an exec script (box 3)
    5151via the ssh link that feeds that data through to "mu-fe", the Mustang
    52 front-end computer.  This launches the transfer tool on mu-fe [4],
     52front-end computer.  This launches the transfer tool on mu-fe (box 4),
    5353which in turn connects via ssh and tar to the IPP storage accessible
    5454from ippc2X.  Once all required data has been downloaded to the
    5555scratch disk at LANL, the job resource requiest is submitted to the
    56 MOAB scheduler [5].
     56MOAB scheduler (box 5).
    5757
    5858 * Box 6-7: Poll
     
    6060After some amount of time (currently one hour after the GPC1 database
    6161entry for the remoteRun was last updated), pantasks launches a poll
    62 command over the ssh link to mu-fe [6].  If the job has completed, the
     62command over the ssh link to mu-fe (box 6).  If the job has completed, the
    6363filelists calculated in the prepare step are used to pass back any
    64 permanent data to the IPP storage nodes [7].  Included in this are the
     64permanent data to the IPP storage nodes (box 7).  Included in this are the
    6565dbinfo files, which contain the update commands necessary to update
    6666the GPC1 database, and these are executed by the poll command before