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  • >> Go to dataminer.services

Failover Pair in Different Subnets

194 views14th March 2025cluster dataminer failover Failover
2
Ryan Hepworth [DevOps Advocate]926 13th March 2025 1 Comment

Hi All,

If we have a failover pair across 2 Data centres that sit in different subnets, do we still need to use the hostname to configure failover?

Is it the hostname of the server or is it the server fqdn?

Anything else to be aware of if doing the above?

Thanks

Catarina Grilo [SLC] [DevOps Enabler] Posted new comment 14th March 2025
Catarina Grilo [SLC] [DevOps Enabler] commented 14th March 2025

According to the documentation, the hostname must be configured in the network, the corresponding DNS record must exist that can be resolved from the hostname to both primary IP addresses of the failover agents.

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Danielle Falcone [SLC] [DevOps Advocate]1.41K Posted 14th March 2025 1 Comment

Hello Ryan,

Ref: Preparing the two DataMiner Agents | DataMiner Docs

if your DMS already contains a DMA based on its hostname or failover pair based on host name, any Failover pairs you add to your DMS have to be configured based on hostname.

The DataMiner agent can be in different datacenters, but make sure that the servers have the same time configuration, the DataMiner agents cannot run in servers that are configured with different time zone.

I hope it helps.

kind regards,

Ryan Hepworth [DevOps Advocate] Posted new comment 14th March 2025
Ryan Hepworth [DevOps Advocate] commented 14th March 2025

Hi Danielle

At the moment we are using IP Address are failover pairs are in the same Data centre, however for resiliency we want to move half into another data centre and different subnets, so i assume we will need to decommission the pair and then rebuild using hostnames

Thanks

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