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Replacing a Node in a Minimum HA Cluster

Owned by Former user (Deleted)
Nov 20, 2017
1 min read

To remove a node from a cluster and replace it with a different node, follow the steps below.

  1. Copy the following files and directories from to stopped node to the corresponding location in the new node.
    • <DAS_HOME>/repository/conf/analytics/my-node-id.dat file
    • <DAS_HOME>/repository/data directory
    • <DAS_HOME>/repository/conf/analytics/local-shard-allocation-config.conf file
    • <DAS_HOME>/repository/conf/analytics/spark-defaults.conf file

  2. Do the configurations required for a minimum HA cluster for the node. For detailed instructions, see WSO2 Clustering Guide - Minimum High Availability Deployment for WSO2 DAS 3.1.0.

    If the IP of the newly added node has changed, follow the steps below:

    1. Shutdown the DAS cluster
    2. Update the member scheme in the <DAS_HOME>/repository/conf/axis2/axis2.xml file with the new IP. For more information, see WSO2 Clustering Guide - Minimum High Availability Deployment for DAS 3.1.0 - Member Schema.
  3. Restart the WSO2 DAS servers.


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