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Type: Question
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Resolution: Works as Designed
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Priority: Major - P3
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None
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Affects Version/s: None
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Component/s: Upgrade/Downgrade
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None
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Sharding 2019-07-01
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(copied to CRM)
Presence of a user-defined database named config in a 3.4 replica set can result in the follow errors (followed by a BACKTRACE and instance failure) on upgrade to 3.6:
F - [rsSync] terminate() called. An exception is active; attempting to gather more information
F - [rsSync] DBException::toString(): DatabaseDifferCase: Failed to create the config.transactions collection due to db already exists with different case already have: [Config] trying to create [config]
Actual exception type: mongo::error_details::ExceptionForImpl<(mongo::ErrorCodes::Error)13297, mongo::AssertionException>