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  1. Documentation
  2. DOCS-11573

Advise caution when geographically distributing config servers across two datacenters.

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Critical - P2
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Server
    • Labels:
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    • # Replies:
      8
    • Last comment by Customer:
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      Description

      Description

      In "Deploy a Geographically Redundant Replica Set", the following advice appears:

      Deploy a Geographically Redundant Three-Member Replica Set

      For a geographically redundant three-member replica set deployment, you must decide how to distribute your system. Some possible distributions for the three members are:

      • Across Three Data Centers: One members to each site.
      • Across Two Data Centers: Two members to Site A and one member to Site B. If one of the members of the replica set is an arbiter, distribute the arbiter to Site A with a data-bearing member.

      While these are both valid configurations, the documentation should perhaps mention (here) that the three-site solution has several advantages over the two-shard solution, especially for CSRS config servers.

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              • Created:
                Updated:
                Resolved:
                Days since reply:
                1 year, 17 weeks, 2 days ago
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