Chapter 2. Downloading and staging required files

This chapter describes how to download and install or stage Control Center software and its operating system dependencies. The procedures in this chapter are required to perform an upgrade.

The following table identifies where to perform each procedure in this chapter.

Procedure Where to perform
Downloading Control Center files A workstation with internet access
Installing the repository mirror All Control Center hosts
Staging Docker image files The Control Center master host
Staging a Docker image file on ZooKeeper ensemble nodes Delegate hosts that are ZooKeeper ensemble nodes