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https://issues.apache.org/jira/browse/CASSANDRA-10242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14945762#comment-14945762
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Paulo Motta commented on CASSANDRA-10242:
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Patch LGTM overall, could you just add a simple dtest changing the rack of a
single node and check the node will fail to initialize? {{replication_test.py}}
have some example of changing snitch/rack information.
Also, is there any reason you changed the default rack and dc assignments of
{{conf/cassandra-rackdc.properties}} ?
> Validate rack information on startup
> ------------------------------------
>
> Key: CASSANDRA-10242
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10242
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Jonathan Ellis
> Assignee: Carl Yeksigian
> Fix For: 2.1.x
>
>
> Moving to a new rack means that different data should be stored on a node.
> We already persist rack information in a system table; we should fail startup
> if this doesn't match what the snitch thinks it should be. (Either the
> snitch is wrong, and needs to be fixed, or the machine has been moved and
> needs to be rebootstrapped.)
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