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  • >> Go to dataminer.services

Is it impossible to reduce service downtime during failover

Solved629 views11th July 2023
2
tei shimo [DevOps Advocate]218 24th August 2022 0 Comments

Hi there!

Our customer has a redundancy group with a main DMA and a backup DMA,  when the main DMA went down, it failover to the backup DMA. But during failover, 5mins or more service down time occured. P.s. There are no timeout elements. We tried adjust the heartbeats, but there seems no visible improvement.

Is there any method or solution to reduce the service downtime? The customer expects less than 1 min service downtime.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 11th July 2023

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Marlies Vandenberghe [SLC] [DevOps Member]2.98K Posted 25th November 2022 0 Comments

Hi Zheng,

I assume the downtime you are talking about is the time it takes to switch the agent from the online to the offline?

This indeed takes a while because we close down all the communication and process properly on one side and spin everything up on the other side, this is to avoid conflicts in polling and overloading the network that way

There is however an option we have "AlwaysBruteForceOffline ", this is standard not enabled to have this done in a more brute force way, there are still some bugs in this option but should work fine in the latest versions. I would reach out to your technical contact person to see if this option would be a solution/improvement for you.

more information can be found in one of the RNs that fixes the issues:
Failover: Problem with AlwaysBruteForceOffline option [ID_33775] General Feature Release 10.2.8 | DataMiner Docs

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 11th July 2023
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