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# Upgrading OMT Manually

Beginning with the master node1, upgrade your OMT infrastructure on every node of the cluster. Rerun the following process on each node.

This upgrade option should only be performed if upgrading with arcsight-install is not possible.

1. Run the following command:

       mkdir /tmp/upgrade-download

2. From the Downloading the Installation Packages for an On-Premises Deployment section, copy the OMT fles.

       arcsight-platform-installer-<version>.zip to /tmp/upgrade-download

3. Unzip the upgrade package by running the following commands:

       cd /tmp/upgrade-download
       unzip arcsight-platform-installer-<version>.zip

4. Run the following commands on each node (follow this pattern: master1, master2, master3, to worker1, worker2, worker3, etc.). Complete all nodes before proceeding to Step 5.

       cd /tmp/upgrade-download/arcsight-platform-installer-<version>/installers/cdf

       ./upgrade.sh -i

5. After Step 4 has been performed on all nodes, on the initial master node, run the following commands to upgrade the OMT components:

       cd /tmp/upgrade-download/arcsight-platform-installer-<version>/installers/cdf

       ./upgrade.sh -u

6. Clean the unused docker images by running the following commands on all nodes (masters and workers). This can be executed simultaneously.

       cd /tmp/upgrade-download/arcsight-platform-installer-<version>/installers/cdf

       ./upgrade.sh -c

7. To verify the cluster status, complete the following steps:

   1. Check the OMT version on each node by running the command:

          cat ${K8S_HOME}/version.txt

   2. Check the status of OMT on each node by running these commands:

          cd ${K8S_HOME}/bin
          ./kube-status.sh