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  1. Documentation
  2. DOCS-7314

Documentation is not clear on the implications of removing multiple instances to reduce the size of a RS

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    • Icon: Improvement Improvement
    • Resolution: Done
    • Icon: Major - P3 Major - P3
    • 01112017-cleanup
    • None
    • Cloud Manager, Ops Manager
    • None
    • MMS-Cloud-Automation - mongod 3.0.9 with mmapv1 on CentOS.

    Description

      Feedback from customer on CS ticket indicates the documentation fails to mention that you should not remove multiple members from a RS simultaneously. The RS may have too few voting members and the primary may step down.

      https://jira.mongodb.org/browse/CS-28572

      From the customer:

      That documentation is not clear on the implications of removing multiple instances to reduce the size of a RS. I would suggest updating the documentation to make it clear that removing multiple members of an RS must either be done one node at a time, or that you should not remove more that would allow the original RS to form a majority.

      The documentation in question is:

      https://docs.cloud.mongodb.com/tutorial/edit-replica-set/
      Refer to the section "Remove a Replica Set Member" near the bottom of the page.

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            bgrabar Bob Grabar
            brian.blevins@mongodb.com Brian Blevins
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            Dates

              Created:
              Updated:
              Resolved:
              7 years, 50 weeks, 1 day ago