Changes between Version 1 and Version 2 of WRF4GFrameworkConfiguration


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Timestamp:
Sep 7, 2011 1:43:40 PM (11 years ago)
Author:
valva
Comment:

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  • WRF4GFrameworkConfiguration

    v1 v2  
    1 == WRF4G Configuration ==
     1The WRF4G Framework is a set of daemon/services that manages, on the one hand, the Computing Resources where WRF is going to run, and, on the other hand, the experiment information and status (realization, chunks, jobs).
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    3 WRF4G installs the following components in the users' UI:
    4  * A set of scripts that allows to prepare, submit and monitor experiments.
     3During the installation process, the WRF4G Framework is configured by default and it can be ran without any change in the configuration.
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    6  * The WRF4G framework that manages:
    7     * The Computing Resources where WRF is going to run.
    8     * The database where the experiment information and status (realization, chunks, jobs) is stored.
     5== Runnning WRF4G framework ==
     6WRF4G framework can be managed with the the command '''[wiki:WRF4GCommandLineTools#wrf4g_framework wrf4g_framework]'''. With this command we can start, stop and reload the framework.
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     8[[NoteBox(warn, Note that wrf4g_framework is a daemon that has to be running whenever we want to perform an experiment.)]]
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     10== Adding computing resources ==
     11WRF4G framework allows us to define all the computing resources we have access to (clusters, grid infrastructures, single computers...). Given a list of resources, when we run an experiment, we can let framework choose the resources for us, or we can indicate the requirements our experiment has (we may want to run an experiment in a given resource).
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     13The WRF4G framework is configured by default to use a single resource (the computer where WRF4G has been installed). In order to add more resources, users have to list them in the Computing Resources section of framework4g.conf (See [wiki:WRF4Gframework4g_conf framework4g.conf] to get more information about adding resources). After modifying this file, in order to make the change effective, users will have to reload the framework with the following command: 'wrf4g_framework reload'
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     15== Database configuration ==
     16WRF4G framework uses a database that store the experiments information and status. This database is configured by default in the WRF4G installation and it should work without any modification.
     17The DB configuration is set in the Database section of framework4g.conf (See [wiki:WRF4Gframework4g_conf framework4g.conf] to get more information about configuring Database)
     18Note that DB_PORT of UI has to be reachable from the Computing Resources (to update the experiment information). If not, DB_PORT has to be open in the firewall-