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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8382) Procedure to Change IP Address without Data streaming is Missing in Cassandra Documentation
Date Thu, 04 Dec 2014 18:20:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14234430#comment-14234430
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Brandon Williams commented on CASSANDRA-8382:
---------------------------------------------

bq. So, our questions is : What’s the standard procedure for changing IP address of Cassandra
nodes

It's pretty simple: just change them (and bounce C* obviously)

> Procedure to Change IP Address without Data streaming is Missing in Cassandra Documentation
> -------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-8382
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8382
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Documentation & website
>         Environment: Red Hat Linux , Cassandra 2.0.3
>            Reporter: Anuj
>
> Use Case: 
> We have a Geo-Red setup with 2 DCs (DC1 and DC2) having 3 nodes each. Listen address
and seeds of all nodes are Public IPs while rpc addresses are private IPs.  Now, we want to
decommission a DC2 and change public IPs in listen address/seeds of DC1 nodes to private IPs
as it will be a single DC setup.
> Issue: 
> Cassandra doesn’t provide any standard procedure for changing IP address of nodes in
a cluster. We can bring down nodes, one by one, change their IP address and perform the procedure
mentioned in “ Replacing a Dead Node” at http://www.datastax.com/documentation/cassandra/2.0/cassandra/operations/ops_replace_node_t.html
 by mentioning public IP of the node in replace_address option. But procedure recommends that
you must set the auto_bootstrap option to true.  We don’t want any bootstrap and data streaming
to happen as data is already there on nodes. So, our questions is : What’s the standard
procedure for changing IP address of Cassandra nodes while making sure that no data streaming
occurs and gossip state is not corrupted.
> We are using vnodes.



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