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  1. Core Server
  2. SERVER-31208

FCV needs to durably store whether upgrade/downgrade is in process

    • Type: Icon: Bug Bug
    • Resolution: Duplicate
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Sharding, Storage
    • None
    • Fully Compatible
    • ALL
    • Storage 2017-10-02

      For sharding upgrade/downgrade a targetVersion document needs to be persisted at the points we set the internal schema version. On successful upgrade/downgrade this targetVersion document must be removed again.

      As this requires changing the parser for setFeatureCompatibilityVersion, this would be a good time to use IDL for the command, assuming that's straightforward to do and doesn't add too much complexity.

            Assignee:
            louis.williams@mongodb.com Louis Williams
            Reporter:
            geert.bosch@mongodb.com Geert Bosch
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              Created:
              Updated:
              Resolved: