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In a multi node cluster(ex: 4 node) in which node we have to run configure.sh -N with new cluster name to take effect in all servers.....and is it necessary to restart the warden in that node to take effect.... is it going to effect any mounts in the cluster. |
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Acutally, cluster name is used solely by the "client" part of MapR's software, and can be easily changed without having to restart anything. The only place a cluster name is defined is in /opt/mapr/conf/mapr-clusters.conf. The format of mapr-clusters.conf is defined here, and can be edited by a regular text-editor like vi. So, edit that file by hand on each machine to set your cluster-name to whatever you'd like. |
