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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10242) Validate rack information on startup
Date Tue, 13 Oct 2015 09:13:06 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14954688#comment-14954688
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Sylvain Lebresne commented on CASSANDRA-10242:
----------------------------------------------

Happy to commit this but are we sure we want to take any risk on 2.1 for this? I'm particularly
nervous with that change to {{conf/cassandra-rackdc.properties}}: are we 100% certain it won't
break any upgrader using {{GossipingPropertyFileSnitch}}?

Also, the branch remove a seemingly unrelated line in the changelog, I suppose that's an oversight?


> 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: 3.0.0 rc2, 2.2.3, 2.1.11
>
>
> 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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