You can upgrade one or more worker nodes in a Log Insight cluster .

The Log Insight master node updates worker nodes centrally through the Web user interface .

Create a snapshot or backup copy of the Log Insight virtual appliance.

Obtain a copy of the Log Insight upgrade bundle .pak file.

Verify that you are logged in to the Log Insight Web user interface as an Admin user. The URL format is https://log-insight-host, where log-insight-host is the IP address or host name of the Log Insight virtual appliance.

If you use Internet Explorer 9, verify that you have Adobe Flash Player installed on your system.

Upgrade the master node of the Log Insight cluster. See Upgrade Log Insight 1.5 GA and later by Using the Web Interface.

If you use an external load balancer, take the node off the balancer before you put it in maintenance mode.


Click the configuration drop-down menu icon and select Administration.


Under Configuration, click Cluster.


In the Workers table, find the the node you want, click , and click Continue.

The node is now in maintenance mode.


A node in maintenance mode continues to receive logs.


Click and then click Upgrade worker to confirm.


The icon is only available for workers that run earlier versions than the master . The icon is not visible after the worker successfully upgrades to the version of the master.

When the upgrade completes, the worker restarts and reconnects to the cluster.

Upgrade the remaining worker nodes in your Log Insight cluster.