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From "Nachiket Patil (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-13041) Do not allow removal of a DC from system_auth replication settings if the DC has active Cassandra instances
Date Wed, 14 Dec 2016 02:14:58 GMT
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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