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Is it Possible to Write on Group Replication Nodes when Number of Members is Less Than 3? (Doc ID 2555707.1)

Last updated on FEBRUARY 26, 2020

Applies to:

MySQL Server - Version 8.0 and later
Information in this document applies to any platform.


To ensure fault tolerance, at least three members are required within a group replication setup. However, there can be a situation where number of running member achieves to 3, like the following scenario for example:

The question is if it is possible to write on such group where number of members is less than three.



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