3 site Ceph cluster

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chitambira

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Feb 28, 2022
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I am not sure if this is the right forum to post. I am looking for suggestions on the best way to configure Ceph for a hyper-converged infrastructure using 5 nodes in 3 datacenters, each node with 2 SSDs. (2 DCs will have 2 nodes, and a 3rd DC will have 1 node - I can increase its OSD capacity if need be)

Many thanks
 
gurubert said:
How far away are the datacenters? Ceph is very affected by latency.
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They are within 2 miles of each other and latency should be within 2ms. I am aware that I can enable stretch cluster if one site latency gets too big, but for now lets assume its like 3 separate machine rooms within the same LAN. Many thanks for responding.
 
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