Chapter 5 Upgrade Procedure; Important Points To Remember; Before You Upgrade; Setting System Memory - AMIGOPOD PowerConnect W Clearpass 100 Software Release Note

This chapter contains information and procedures for successfully updating to this software release as well
as upgrading the appliance.
The upgrade procedure and requirements are the same as they were in the 3.7 release. To ensure a successful
upgrade, read the contents in this chapter completely before upgrading.
The basic upgrade is:
1. Verify that your system's memory is sufficient to upgrade.
2. Perform a complete configuration backup.
3. Update the software using the Plugin Manager.

Important Points to Remember

Best practices recommends upgrading during a maintenance window. This will limit the troubleshooting

variables.
Verify your system's memory configuration. We recommend a virtual machine's system memory

minimum of 1 GB (1024 MB), and a minimum for the Web Application of 256 MB.
Recovering the appliance from an "out of memory" state may require rebuilding your server from a recent
configuration backup.
Best practices recommends backing up your configuration at regular intervals.

Resolve any existing issues (consistent or intermittent) before you upgrade.

Read all the information and procedures in this chapter before upgrading.


Before you Upgrade

Ensure the following before performing an upgrade.
Verify that the memory limit is set to at least 256M (see

Back up your configuration (see

If you are running a virtual machine, take a snapshot of it (see

page 37)

Setting System Memory

To increase the memory limit, navigate to Administrator > System Control > Web Application and
change the "Memory Limit" to read 256M. Click Save Changes to save your setting and restart the Web
server so that the changes takes effect (see
ClearPass Guest 3.9.1 | Release Notes
Chapter 5
Upgrade Procedure
"Setting System Memory" on
"Configuration Backup" on page 36)
Figure 1).
page 35).
"Snapshot of the Virtual Machine" on
Upgrade Procedure | 35