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  1. Core Server
  2. SERVER-41764

Shard can be removed while an ongoing migration is happening

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Details

    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 4.3.3
    • None
    • Sharding
    • None
    • Fully Compatible
    • ALL
    • Sharding 2019-10-07, Sharding 2019-11-18, Sharding 2019-12-02, Sharding 2019-12-16
    • 13

    Description

      Setup:

      • ShardA has no chunks/collections/database

      Scenario:
      1. Chunk migration from ShardZ to ShardA starts.
      2. RemoveShard for ShardA starts.
      3. Remove shards sees that there's no database/chunk for ShardA so proceeds to removing shard.
      4. Chunk is now sent to ShardA after it has been "removed".

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            randolph@mongodb.com Randolph Tan
            randolph@mongodb.com Randolph Tan
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            Dates

              Created:
              Updated:
              Resolved: