Difference between revisions of "Online Database"

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=== What can be found in the ODB ===
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{{Pagelinks}}
The Online Database contains specific system information related to the overall operation of the data acquisition and also to any information that the "MIDAS client" currently involved in the experiment wants to share across different Midas applications.
 
  
=== Accessing the ODB interactively ===
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==== Links ====
Accessing the MIDAS ODB interactively is done in two possible ways:
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<div style="column-count:3;-moz-column-count:3;-webkit-column-count:3">
* Using the [[odbedit|odbedit application]] command line.
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* [[ODB]]
* Using a web browser accessing the URL of the [[mhttpd|midas server]]
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* [[mhttpd]]
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* [[odbedit]]
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*
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</div>
  
 
=== The ODB Structure ===
 
=== The ODB Structure ===
The data in the ODB are structured in a '''tree form''' with each "directory" dealing with a specific section of the acquisition.
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The data in the ODB are structured in a '''tree form''' with each "directory" dealing with a specific section of the acquisition. The MIDAS system creates certain ODB trees e.g.  {{Odbpath|path=/System}}, {{Odbpath|path=/Runinfo}},{{Odbpath|path=/Experiment}} when the ODB is first created. Particular system applications automatically create the ODB trees they require the first time they are run. For example, the Data Logger [[mlogger]] will create the {{Odbpath|path=/Logger}} ODB tree, and a [[Frontend Application|Frontend]] will create the  {{Odbpath|path=/Equipment}} ODB tree.  The user
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will then be able to customize the ODB to fit his/her requirements by modifying the values of these keys,
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adding optional keys and links, and adding his/her own "directories" and keys as described throughout this documentation.  See [[ODB]] for more information.
  
 
=== List of ODB Trees  (in alphabetical order) ===
 
=== List of ODB Trees  (in alphabetical order) ===
* [[/Alarms ODB tree]]
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* [[/Alarms ODB tree]]       &rarr; ''Contain all the alarms definitions created by the user''
* [[/Alias ODB tree]]
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* [[/Alias ODB tree]]       &rarr; ''Location for shortcut visible in the Mdias web page''
* [[/Analyzer ODB tree]]
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* [[/Analyzer ODB tree]]     &rarr; ''Reserved for the data analyzer''
* [[/Custom ODB tree]]
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* [[/Custom ODB tree]]       &rarr; ''Location for custom webpage''
* [[/Customscript ODB tree]]
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* [[/Customscript ODB tree]] &rarr; ''Location for general custom scripts''
* [[/Elog ODB tree]]
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* [[/Elog ODB tree]]         &rarr; ''Location for Elog interface definition and configuration''
* [[/Equipment ODB tree]]
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* [[/Equipment ODB tree]]   &rarr; ''Location for Frontend Equipment operation''
* [[/Experiment ODB tree]]
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* [[/Experiment ODB tree]]   &rarr; ''Location for Experiment general configuration''
* [[/History ODB tree]]
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* [[/History ODB tree]]     &rarr; ''Contain history definition/configuration''
* [[/Logger ODB tree]]
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* [[/Logger ODB tree]]       &rarr; ''Location for the data logger configuration''
* [[/MSCB ODB tree]]
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* [[/Lazy ODB tree]]        &rarr; ''Location for the secondary data logger configuration''
* [[/Programs ODB tree]]
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* [[/MSCB ODB tree]]         &rarr; ''Location for the Ethernet MSCB device accessible from this experiment''
* [[/Runinfo ODB tree]]
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* [[/Programs ODB tree]]     &rarr; ''Contain all the applications information connected to this experiment''
* [[/Script ODB tree]]
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* [[/Runinfo ODB tree]]     &rarr; ''Contain run information''
* [[/Sequencer ODB tree]]
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* [[/Script ODB tree]]       &rarr; ''Contain external scripts links''
* [[/System ODB tree]]
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* [[/Sequencer ODB tree]]   &rarr; ''Contain the run sequencer configuration''
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* [[/System ODB tree]]      &rarr; ''Maintain current system information for all the connected application''
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* [[/Webserver ODB tree]]    &rarr; ''Configure the mhttpd web server''
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'''Note:''' The user is allowed to create his/her own directory structure under root (/) for his/her own purpose. All the ODB functions are applicable to this structure as well.
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[[Category:ODB]]

Latest revision as of 14:46, 31 March 2020


Links

The ODB Structure

The data in the ODB are structured in a tree form with each "directory" dealing with a specific section of the acquisition. The MIDAS system creates certain ODB trees e.g. /System, /Runinfo, /Experiment when the ODB is first created. Particular system applications automatically create the ODB trees they require the first time they are run. For example, the Data Logger mlogger will create the /Logger ODB tree, and a Frontend will create the /Equipment ODB tree. The user will then be able to customize the ODB to fit his/her requirements by modifying the values of these keys, adding optional keys and links, and adding his/her own "directories" and keys as described throughout this documentation. See ODB for more information.

List of ODB Trees (in alphabetical order)

Note: The user is allowed to create his/her own directory structure under root (/) for his/her own purpose. All the ODB functions are applicable to this structure as well.