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  1. Documentation
  2. DOCS-10928

Replica set nodes running with --nojournal should have writeConcernMajorityJournalDefault set to false.

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      Description

      If a replica set is running without journaling, the writeConcernMajorityJournalDefault option in the replica set config should be set to false.

      If this isn't done there will be multiple issues, including:

      • w:majority writes will never complete
      • two-phase collection drops will never actually drop the underlying WT tables.

      This update should also be backported to v3.4 and v3.2.

      https://github.com/mongodb/mongo/commit/918524be973eb056909f035df141b0dd5765ead1
      https://docs.mongodb.com/manual/reference/program/mongod/index.html#cmdoption-nojournal
      https://docs.mongodb.com/manual/tutorial/manage-journaling/index.html#disable-journaling

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