New shard added, chunk migration starts throwing errors after a few chunks transferred

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    • Type: Question
    • Resolution: Incomplete
    • Priority: Major - P3
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    • Affects Version/s: 3.6.8
    • Component/s: Sharding
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      MDB 3.6.8 with MMAP, sharded cluster – After moving 2 chunks to the new shard, Balancer is throwing this error and not moving any chunks to a newly added shard –

      Error occurred while committing the migration. Performing a majority write against the config server to obtain its latest optime :: caused by :: NoSuchKey: Missing expected field "shardHasDistributedLock"

      What could be causing this and how to get past this issue?

            Assignee:
            Unassigned
            Reporter:
            Sanjay Gianchandani
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              Created:
              Updated:
              Resolved: