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Stefania commented on CASSANDRA-10243:
--------------------------------------
Actually we cannot hold the P.R. because now that this ticket is committed the
existing {{SnitchConfigurationUpdateTest}} tests in _replication_test.py_ fail.
So I've created the pull request
[here|https://github.com/riptano/cassandra-dtest/pull/688]. We'll have to check
{{test_cannot_restart_with_different_rack}} after CASSANDRA-9474 is committed.
> Warn or fail when changing cluster topology live
> ------------------------------------------------
>
> Key: CASSANDRA-10243
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10243
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Stefania
> Priority: Critical
> Fix For: 2.1.12, 2.2.4, 3.0.1, 3.1, 3.2
>
>
> Moving a node from one rack to another in the snitch, while it is alive, is
> almost always the wrong thing to do.
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