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Overview of Monitoring Options in BonFIRE

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Managing Data Storage for Monitoring

Three options for managing the storage of monitoring data are provided for the experimenter during the creation of an experiment through BonFIRE Portal. These are as follow, see Figure below:

../_images/monitoring_experiment_creation.jpg
  1. Do not use external storage: creation of an aggregator without an external storage resource, this means that the database will be stored inside the aggregator image (the VM hosting the aggregator). In this option BonFIRE will offer a fixed aggregator image size (e.g. 6Gb) and the experimenter cannot increase this size for a large expected database storage demand.
  2. Create new storage: the aggregator will be created with an external storage resource that is mounted as an additional disk while booting the VM image that host the aggregator and the aggregator’s database will be then stored into the external storage resource. This storage is permanently available after the deletion or the expiration of the experiment.
  3. Reuse existing storage: the aggregator will be created with an external storage resource that was already used in the past by a previously deleted experiment. This storage resource includes usually data from that experiment. This option is offered in order to give the experimenter the ability to get/read monitoring data collected from previous experiments.

The experimenter can delete the external storage resource any time through Portal, click on the “Resources” button, a list of all your deployed resources belonging to your experiments will be shown, delete the storage resource, see Figure below.

../_images/monitoring_list_of_my_resources.jpg

In addition to these options, the experimenter also has the ability to enable the aggregator to monitor itself (the VM hosting the aggregator image). This is also supported by the BonFIRE Portal while creating the aggregator.

The creation of an experiment is done in five steps. In each step, multiple options are provided for the experimenter. In the first step, the experimenter has the ability to create an experiment with or without an aggregator.

The experimenter has the ability to create an experiment and skip going through all these steps by clicking on FINISH button. This will lead to create an experiment with the default setting. If an experiment is created in the first step with an aggregator, following default setting regarding monitoring will be as follow: the aggregator will be created with an external, additional storage resource that has 1Gb size, the aggregator will also monitor itself.