Nachiket Patil created CASSANDRA-13041:
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Summary: Do not allow removal of a DC from system_auth replication
settings if the DC has active Cassandra instances
Key: CASSANDRA-13041
URL: https://issues.apache.org/jira/browse/CASSANDRA-13041
Project: Cassandra
Issue Type: Improvement
Components: Distributed Metadata
Reporter: Nachiket Patil
Assignee: Nachiket Patil
Priority: Minor
Fix For: 4.x
I don’t believe it is ever correct to remove a DC from the system_auth
replication settings while there are nodes up in that DC. Cassandra should not
allow this change if there are hosts which are currently members of the cluster
in that DC, as any request which is routed to these hosts will meet an
unavailable. Also dropping the keyspace system_auth should not be allowed.
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