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HP Vertica Essentials by Rishabh Agrawal

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Replacing nodes

If we have a K-Safe database, we can replace nodes, as a copy of the data will be maintained under the nodes. We do not need to shut down the database to replace the nodes.

Replacing a node using the same name and IP address

Sometimes, you will be required to upgrade one or more nodes in the cluster. If the new node has the same IP as the original node, then use the following method for replacement:

  1. From a working node in the cluster, run the following install_vertica script with the -s (used for providing the hostname or IP(s)) and –r (the path of the rpm/deb package) parameters:
    # /opt/vertica/sbin/install_vertica -s host -r rpm_package 
    
  2. The installation script will verify the system configuration and the installation of various ...

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