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DMA HW Migration and missing Data in Cassandra

Solved804 views20th July 2022Cassandra migration
0
Robert Thevis [DevOps Enabler]154 18th July 2022 0 Comments

Hi,

I recently did a Hardware Migration of a DataMiner Agent for a customer. Due to the Migration there is now a gap in the Alarm and Trend-Data on the new Server. However the old DMA was still running and has the data in its Cassandra Database.

Is there a way to copy Alarm and Trend-Data for the migration period only?

Best Regards

Michiel Saelen [SLC] [DevOps Enabler] Answered question 19th July 2022

1 Answer

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Michiel Saelen [SLC] [DevOps Enabler]5.70K Posted 19th July 2022 0 Comments

Hi Robert,

There is no built-in functionality for this in DataMiner at the moment. It is possible through a custom automation script in which you select data from one system and push it into the other, but not sure if it is worth your effort or headaches later on. You would not be the first one that needs to reinsert/clear all data to resolve issues due to incorrect inserts (can be that you only detect the issues after one year).

I would try to keep the gap as short as possible by reducing the downtime for now.

Michiel Saelen [SLC] [DevOps Enabler] Answered question 19th July 2022
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