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From "Carl Yeksigian (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10242) Validate rack information on startup
Date Tue, 13 Oct 2015 15:49:05 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14955153#comment-14955153
] 

Carl Yeksigian commented on CASSANDRA-10242:
--------------------------------------------

I replaced the {{conf/cassandra-rackdc.properties}} change with a comment for people upgrading
from {{SimpleSnitch}}, so that it's safe for people who are already using {{GossipingPropertyFileSnitch}}
to upgrade.

Yeah, that was an oversight; I've removed that change.

> 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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