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DB name vs prefix in db.xml

Solved750 views6th June 2024
1
Bernard Pichot [SLC] [DevOps Advocate]1.09K 12th April 2024 0 Comments

When you want to share a DB cluster among several DMS, it's possible in the db.xml to specify the <DB> or prefix>

<DB>mydb</DB>
<prefix>mydb</prefix>

what is the difference between those 2 xml tags ? and which one need to be use ?

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 6th June 2024

2 Answers

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Laurens Vercruysse [SLC] [DevOps Advocate]346 Posted 12th April 2024 2 Comments

Hi Bernard,

As you can see in DB.xml | DataMiner Docs , the "<DB>db_prefix</DB>" tag should be used to determine the prefix associated with each DMS in the database.

I am not sure about the <prefix> option.
In what context did you encounter this?

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 6th June 2024
Bernard Pichot [SLC] [DevOps Advocate] commented 12th April 2024

Hi Laurens,

Someone from platform team provide me an example that use instead of

Laurens Vercruysse [SLC] [DevOps Advocate] commented 12th April 2024

The tag would be used in C:Skyline DataMinerDBConfiguration.xml before version 10.4.0. A file that was mostly used for Configuring Multiple geographically separated. Elasticsearch clusters.
As such, I believe this tag is not relevant for what you want to do.
See https://docs.dataminer.services/user-guide/Advanced_Functionality/Databases/Indexing_database/Elasticsearch/dedicated_clustered_storage/Configuring_database/Configuring_multiple_Elasticsearch_clusters.html?tabs=tabid-2

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