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Type: Task
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Resolution: Gone away
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Priority: Major - P3
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Affects Version/s: None
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Component/s: manual
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Labels:
Description
Downstream Change Summary
4.4 downgrade of arbiter should delete the arbiter data directory as we did for 4.2 downgrade.
https://docs.mongodb.com/manual/release-notes/4.2-downgrade-replica-set/#downgrade-arbiter-replica-set-member-if-any
Description of Linked Ticket
Arbiters don't track FCV so they won't remove the configTerm from their on disk ReplSetConfig object on downgrade. This causes a 4.2 node to fail parsing of the config on restart after binary downgrade.
Scope of changes
Impact to Other Docs
MVP (Work and Date)
Resources (Scope or Design Docs, Invision, etc.)
- related to
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DOCS-13482 Investigate changes in SERVER-46288: Reconfig in 4.2 style with the current config on FCV downgrade
- Closed