Hi, Could you please help me out with this question?
I have 4 nodes cluster running in the same network but in 2 different sites (building A - 2 nodes and building B - 2 nodes). My objective is to setup HA for this cluster with pacemaker. The expectation is if a site is down, the other site still services. >From what I could understand so far, in order to make it work, it needs to have booth ticket manager installed in a different location, let's say building C which connects to both sites A and B. With this assumption, i would like to ask few questions: 1. Am i right that I need to setup the booth ticket manager as a quorum voter as well? 2. What happens if the connection between site A and B is down, but the connection between A and C, B and C still up? In this case, both site A and B still have the quorum as it can connect to C, but not between each other? 3. Or is there any better way to manage 2 sites cluster, each has 2 nodes? And if one site is down like environmental disaster, then, the other site still services. Thank you so much for your help! Regards, Viet
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