1. © Geodise Project, University of Southampton, 2001-2004. http://www.geodise.org/ Geodise Compute Toolbox Functions CommandFunctionCommandFunction gd_certinfo Returns information about the user's certificate gd_proxyinfo Returns information about the user's proxy certificate gd_chmod Changes file permissions of a file on a Globus resource gd_proxyquery Queries whether a valid proxy certificate exists gd_condorsubmit Submits a job through a Globus resource to a Condor pool gd_putfile Puts a remote file using GridFtp gd_createproxy Creates a Globus proxy certificate for the user's credentials gd_rmdir Deletes a remote directory using GridFtp gd_destroyproxy Destroys the local copy of the user's Globus proxy certificate gd_rmfile Deletes a remote file using GridFtp gd_fileExists Tests the existence of files and directories on a Globus resource gd_serverMetrics Performs a number of tests to Globus resources gd_getfile Retrieves a remote file using GridFtp gd_testAuthentication Tests the authentication to a Globus resource gd_jobkill Kills a Globus GRAM specified by job handle gd_testFileTransfer Tests file transfer to a Globus resource gd_jobpoll Queries the status of a Globus GRAM job until complete gd_testJobSubmission Tests the job submission to a Globus resource gd_jobstatus Gets the status of a Globus GRAM job gd_timeAuthentication Times authentication to a Globus resource gd_jobsubmit Submits a compute job to a Globus GRAM job manager gd_timeFileTransfer Times file transfer to a Globus resource gd_listjobs Returns all the job handles belonging to the user gd_timeJobSubmission Times job submission to a Globus resource gd_makedir Creates a remote directory using GridFtp gd_transferFile Performs a third-party file transfer using GridFTP

2. © Geodise Project, University of Southampton, 2001-2004. http://www.geodise.org/ gd_condorsubmit Command Submits a job through a Globus resource to a Condor pool Syntax handle = gd_condorsubmit(classAD_Structure, RSL_Structure,… resourceManagerContact, filesystemType) Inputs – classAD_Structure : A structure describing Condor submit description file – RSL_Structure : A structure describing Globus resource specification – resourceManagerContact : A string describing the Grid resource – filesystemType : 'NFS' for a shared filesystem. (Optional) Output: –handle: A string showing the handle for a successfully submitted job.

3. © Geodise Project, University of Southampton, 2001-2004. http://www.geodise.org/ Using gd_condorsubmit 1.Define your ClassAD as a Matlab structure. 2.Define your RSL as a Matlab structure. 3.Make a job submission to the Globus server.

4. © Geodise Project, University of Southampton, 2001-2004. http://www.geodise.org/ SESC Computation Client Geodise Identity Manager – createIDmanager - Initialises an IDmanager to authenticate with Web Services – queryIDmanager - Queries credentials contained within IDmanager SESC Computation Client – grid_submit - submits a job to the SESC Computation Manager – grid_platform - creates a job requirements structure – grid_status - Retrieves the status of a job – grid_poll - Polls the status of a job – grid_results - Retrieves the results of a job – sesc_configuration – Utility function to specify configuration file

5. © Geodise Project, University of Southampton, 2001-2004. http://www.geodise.org/ Grid Support Functions and Tools Support functions and tools allow end users to –Verify that the specific Grid resources they require are available by checking basic functionality such as authentication, file transfer, and job submission, –Check that their applications and files exist on the Grid resource, –Make sure that user security settings are configured correctly. Matlab functions are available. They are also integrated to the workflow editor.

6. © Geodise Project, University of Southampton, 2001-2004. http://www.geodise.org/ Available Matlab Functions CommandFunction gd_fileExists Tests the existence of files and directories on a Globus resource gd_testAuthentication Tests the authentication to a Globus resource gd_testFileTransfer Tests file transfer to a Globus resource gd_testJobSubmission Tests the job submission to a Globus resource gd_timeAuthentication Times authentication to a Globus resource gd_timeFileTransfer Times file transfer to a Globus resource gd_timeJobSubmission Times job submission to a Globus resource

7. © Geodise Project, University of Southampton, 2001- 2004. http://www.geodise.org/ Data Architecture