Deployment Guide

6 | Cluster Upgrade Tool, ClearPass 6.4| Tech Note
l For detailed progress information for each node, click the View Logs button in the node’s row. The Logs
window opens. This window includes tabs for the Patch, Download, Upgrade, Reboot, and Onboot logs.
You can view detailed status in these logs during and after the upgrade. (This option is not available while
the publisher node is rebooted and data migration is in progress. It is available again when the publisher
upgrade is complete.)
Steps in the Tool’s Automated Workflow
This section describes the steps that are automatically completed by the Cluster Upgrade Tool.
1. To prepare the subscribers for upgrade, a patch that provides required API support is automatically installed
by the tool on all nodes. The Cluster Upgrade Tool uses remote API calls to control and monitor upgrade
progress on the nodes.
To install the patch for API support on the subscriber nodes, subscribers must be able to access the publisher over