Changes between Version 31 and Version 32 of GiB-gettingStarted


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Timestamp:
10/02/12 17:55:06 (9 years ago)
Author:
Vic Thomas
Comment:

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  • GiB-gettingStarted

    v31 v32  
    130130Before we run an experiment we need to acquire the resources needed the experiment.   Our introductory experiment will consist of two hosts connected to one another by a single link.   When the hosts come up they execute a script provided by us that:
    131131    * Downloads and installs iperf on each host.
    132     * Runs iperf in server mode on one host and and in client mode on the other host.  The outputs of the iperf commands are written to /tmp/iperf-server.log and /tmp/iperf-client.log on the respective hosts.
     132    * Runs iperf in server mode on one host and and in client mode on the other host.  The outputs of the iperf commands are written to /var/www/html/iperf-server.log and /var/www/html/iperf-client.log on the respective hosts.
    133133As a part of this experiment we will ssh into these hosts to view these logs.
    134134
     
    140140example-scripts      install-example.rspec  out.log        three-nodes-lan.rspec
    141141}}}
    142 We'll use the rspec file called two-nodes-iperf.rspec.  You can view it [attachment:two-nodes-iperf.rspec here] or inside the VM.  This rspec requests two hosts called {{{left}}} and {{{right}}}.  Host {{{left}}} has one interface called {{{left:if0}}} and host {{{right}}} has one interface called {{{right:if0}}}.  The two interfaces are connected by a link called {{{left-right-lan}}}.   The {{{<install>}}} element in the rspec asks the GENI-in-a-Box aggregate manager to download a [attachment:iperf-execute-script.sh script] from the specified URL, uncompress and untar it,  and save it in the /local directory.  The {{{<execute>}}} element asks the aggregate to execute the specified script when the hosts come up.  In this case the script to be executed is the one that was installed in {{{/local}}}.
     142We'll use the rspec file called two-nodes-iperf.rspec.  You can view it [attachment:two-nodes-iperf.rspec here] or inside the VM.  This rspec requests two hosts called {{{left}}} and {{{right}}}.  Host {{{left}}} has one interface called {{{left:if0}}} and host {{{right}}} has one interface called {{{right:if0}}}.  The two interfaces are connected by a link called {{{left-right-lan}}}.   The {{{<install>}}} element in the rspec asks the GENI-in-a-Box aggregate manager to download a [attachment:iperf-script.sh script] from the specified URL, uncompress and untar it,  and save it in the /local directory.  The {{{<execute>}}} element asks the aggregate to execute the specified script when the hosts come up.  In this case the script to be executed is the one that was installed in {{{/local}}}.
    143143
    144144The following steps will walk us through acquiring the resources for our experiment: