Same-city Three Data Centers

spec:
  topology:
    rules:
      selectors:
      - name: zone-a
        ...
      - name: zone-b
        ...
      - name: zone-c
        ...
      components:
          cn:
          - name: zone-a
            replicas: 1 / 3
            selector:
              reference: zone-a
          - name: zone-b
            replicas: 1 / 3
            selector:
              reference: zone-b
          - name: zone-c
            replicas: 1 / 3
            selector:
              reference: zone-c
          cdc:
          - name: zone-a
            replicas: 1 / 3
            selector:
              reference: zone-a
          - name: zone-b
            replicas: 1 / 3
            selector:
              reference: zone-b
          - name: zone-c
            replicas: 1 / 3
            selector:
              reference: zone-c
          dn:
            nodeSets:
            - name: cand-zone-a
              role: Candidate
              replicas: 1
              selector:
                reference: zone-a
            - name: cand-zone-b
              role: Candidate
              replicas: 1
              selector:
                reference: zone-b
            - name: log-zone-c
              role: Voter
              replicas: 1
              selector:
                reference: zone-c

Two-site Three Data Centers

spec:
  topology:
    rules:
      selectors:
      - name: region-1-zone-a
        ...
      - name: region-1-zone-b
        ...
      - name: region-2-zone-c
        ...
      components:
          cn:
          - name: region-1-zone-a
            replicas: 1 / 3
            selector:
              reference: region-1-zone-a
          - name: region-1-zone-b
            replicas: 1 / 3
            selector:
              reference: region-1-zone-b
          - name: region-2-zone-c
            replicas: 1 / 3
            selector:
              reference: region-2-zone-c
          cdc:
          - name: region-1-zone-a
            replicas: 1 / 3
            selector:
              reference: region-1-zone-a
          - name: region-1-zone-b
            replicas: 1 / 3
            selector:
              reference: region-1-zone-b
          - name: region-2-zone-c
            replicas: 1 / 3
            selector:
              reference: region-2-zone-c
          dn:
            nodeSets:
            - name: cand-region-1-zone-a
              role: Candidate
              replicas: 1
              selector:
                reference: region-1-zone-a
            - name: cand-region-2-zone-c
              role: Candidate
              replicas: 1
              selector:
                reference: region-2-zone-c
            - name: region-1-zone-b
              role: Voter
              replicas: 1
              selector:
                reference: region-1-zone-b

Three-site Five Data Centers

spec:
  topology:
    rules:
      selectors:
      - name: region-1-zone-a
        ...
      - name: region-1-zone-b
        ...
      - name: region-2-zone-c
        ...
      - name: region-2-zone-d
        ...
      - name: region-3-zone-e
        ...
      components:
       cn:
        - name: region-1-zone-a
          replicas: 1 / 5
          selector:
            reference: region-1-zone-a
        - name: region-1-zone-b
          replicas: 1 / 5
          selector:
            reference: region-1-zone-b
        - name: region-2-zone-c
          replicas: 1 / 5
          selector:
            reference: region-2-zone-c
        - name: region-2-zone-d
          replicas: 1 / 5
          selector:
            reference: region-2-zone-d
        - name: region-3-zone-e
          replicas: 1 / 5
          selector:
            reference: region-3-zone-e
       cdc:
        - name: region-1-zone-a
          replicas: 1 / 5
          selector:
            reference: region-1-zone-a
        - name: region-1-zone-b
          replicas: 1 / 5
          selector:
            reference: region-1-zone-b
        - name: region-2-zone-c
          replicas: 1 / 5
          selector:
            reference: region-2-zone-c
        - name: region-2-zone-d
          replicas: 1 / 5
          selector:
            reference: region-2-zone-d
        - name: region-3-zone-e
          replicas: 1 / 5
          selector:
            reference: region-3-zone-e
       dn:
        nodeSets:
          - name: cand-region-1-zone-a
            role: Candidate
            replicas: 1
            selector:
              reference: region-1-zone-a
          - name: cand-region-1-zone-b
            role: Candidate
            replicas: 1
            selector:
              reference: region-1-zone-b
          - name: cand-region-3-zone-c
            role: Candidate
            replicas: 1
            selector:
              reference: region-3-zone-c
          - name: cand-region-4-zone-d
            role: Candidate
            replicas: 1
            selector:
              reference: region-4-zone-d
          - name: region-3-zone-e
            role: Voter
            replicas: 1
            selector:
              reference: region-3-zone-e