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You problem is that you have some nodes managed on server1 and you would like to move those nodes to be managed by server2 or do some redundant polling from server2 as well.

This page will summarise the steps to sync the data between the two servers and have server2 start managing those nodes.

This document assumes you are using NMIS 8.5.8G or later using the new database scheme where node performance data is stored under /usr/local/nmis8/database/nodes

Process to Synchronise the Data

  1. Get a list of nodes you want to synchronise between the two servers.
  2. Export the nodes from one server to the second server
  3. Copy the performance data and other data between servers

The list just needs to be ready to use in a script.

NMIS includes CLI tools to automate node CRUD (create, read, update, delete)

You will need to copy the RRD files between the servers, this can take some time, and it is highly recommended to use rsync, this will need to be installed on the servers if it is not already installed, this can be done using yum or apt-get depending on your Linux distribution.

Script to Automate the Data Sync

The following script relies on SSH keys being shared between the source and the TARGET server.  This script will be run locally from the source server.



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