Chapter 14. Upgrading Your Container-Ready Storage Environment

This chapter describes the procedures to follow to upgrade your Container-Ready Storage environment.

14.1. Prerequisites

Ensure the following prerequisites are met:

Section 5.2.3, “Red Hat OpenShift Container Platform Requirements”
Section 7.2, “Configuring Port Access”
Section 7.3, “Enabling Kernel Modules”
Section 7.4, “Starting and Enabling Services”
If Heketi is running as a standalone service in one of the Red Hat Gluster Storage nodes, then ensure to open the port for Heketi. By default the port number for Heketi is 8080. To open this port execute the following command on the node where Heketi is running:
```
# firewall-cmd --zone=zone_name --add-port=8080/tcp
# firewall-cmd --zone=zone_name --add-port=8080/tcp --permanent
```
If Heketi is configured to listen on a different port, then change the port number in the command accordingly.

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