Hi Arthur, Thank you for your answer. I have read the section "Adding Capacity to an Existing Cluster" prior to posting my question.
Actually I was thinking I would like Cassandra choose by itself the token. Since I want only some column family to be an ALL cluster, and other column family to be where they are, no matter balancing… I do not find anything on the configuration that I should make on the very first (and only node so far) to start the replication. (The configuration of my Node A is pretty basic, almost out of the box, I might changed the name) How to make this node know that it will be a Seed. My current Node A is using Cassandra 1.1.0 Is it compatible if I install a new node with Cassandra 1.2.8 ? or should I fetch 1.1.0 for Node B ? Thank you. Morgan. Le 1 août 2013 à 20:32, "Arthur Zubarev" <arthur.zuba...@aol.com> a écrit : > Hi Morgan, > > The scaling out depends on several factors. The most intricate is perhaps > calculating the tokens. > > Also the Cassandra version is important. > > At this point in time I suggest you read section Adding Capacity to an > Existing Cluster at > http://www.datastax.com/docs/1.0/operations/cluster_management > and come back here with questions and more details. > > Regards, > > Arthur > > -----Original Message----- From: Morgan Segalis > Sent: Thursday, August 01, 2013 11:24 AM > To: user@cassandra.apache.org > Subject: Adding my first node to another one... > > Hi everyone, > > I'm trying to wrap my head around Cassandra great ability to expand… > > I have set up my first Cassandra node a while ago… it was working great, and > data wasn't so important back then. > Since I had a great experience with Cassandra I decided to migrate step by > step my MySQL data to Cassandra. > > Now data start to be important, so I would like to create another node, and > add it. > Since I had some issue with my DataCenter, I wanted to have a copy (of > sensible data only) on another DataCenter. > > Quite frankly I'm still a newbie on Cassandra and need your guys help. > > First things first… > Already up and Running Cassandra (Called A): > - Do I need to change anything to the cassandra.yaml to make sure that > another node can connect ? if yes, should I restart the node (because I would > have to warn users about downtime) ? > - Since this node should be a seed, the seed list is already set to > localhost, is that good enough ? > > The new node I want to add (Called B): > - I know that before starting this node, I should modify the seed list in > cassandra.yaml… Is that the only thing I need to do ? > > It is my first time doing this, so please be gentle ;-) > > Thank you all, > > Morgan.
