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Stretch 3-Node Cluster Across 3 Locations


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In the past, we have built clusters with metro sync (AHV) at 2 Locations and a 3rd for witness.

Customers want to get an infrastructure what can tolerate the loss of one Location.

Can we stretch a 3 node Cluster across all 3 Locations, one node in one Location?

RTT is less than 5ms.

In this case, what network topology is required?

Best answer by Siva1991

Placing the nodes that form a Nutanix cluster in multiple data centers or availability zones connected by stretched L2 networks, or in data centers that have a remote link between the two locations, isn't supported.

Please refer to the networking best practice guide from Nutanix: Physical Networking

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3 replies

JeroenTielen
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  • Vanguard
  • 1363 replies
  • August 5, 2024

No you shouldn't. The cluster nodes should be in the same datacenter. 


Siva1991
  • Adventurer
  • 4 replies
  • Answer
  • August 5, 2024

Placing the nodes that form a Nutanix cluster in multiple data centers or availability zones connected by stretched L2 networks, or in data centers that have a remote link between the two locations, isn't supported.

Please refer to the networking best practice guide from Nutanix: Physical Networking


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  • Author
  • Trailblazer
  • 18 replies
  • August 12, 2024

ok, thanks for yours answers.