Upgrade a Clustered Server

Perform the following to procedure to upgrade a Carbon Black EDR clustered server.

Prerequisites

These steps require SSH or console access to the servers with root privileges.

See Upgrading a Server before you begin.

On the primary server, go to the cb install directory (defaults to /usr/share/cb ) and stop the Carbon Black EDR services:
```
sudo cbcluster stop
```
(Optional) Clean the yum cache of metadata and packages:
```
yum clean all
```
Update the Carbon Black EDR services on each primary and minion server node:
```
sudo yum update cb-enterprise
```
Run the cbupgrade utility (see Using cbupgrade).
```
/usr/share/cb/cbupgrade
```
On the primary server, restart the Carbon Black EDR services:
```
sudo cbcluster start
```

Migrate the database schema or Carbon Black Threat Intel feed data.