Upgrade Requirements and Considerations

Before you upgrade, review the following information to ensure that you have met all the requirements:
capm350
Before you upgrade, review the following information to ensure that you have met all the requirements:
Verify System Requirements
To ensure that you successfully upgrade
CA Performance Management
, verify that your environment meets the system requirements. To verify the sizing requirements, use the capm Sizing Tool.
This release introduces support for Red Hat Enterprise Linux (RHEL) 7.4.
A RHEL installation offers packages and add-ons.
CA Performance Management
supports a Minimal Install environment for RHEL.
The following RHEL versions are supported:
  • RHEL 6.6 - 6.9
  • RHEL 7.3 - 7.4
RHEL 6.8, 6.9, 7.3, or 7.4 are recommended.
The following RHEL versions are not supported:
  • RHEL 5.x
  • RHEL 6.5 and lower
  • RHEL 7.0 - 7.2
CA Performance Management
 components that are installed on unsupported RHEL versions require an OS upgrade before upgrading the 
CA Performance Management
 components. You might also need to move the 
CA Performance Management
 components, including configurations, customizations, and data, from one system to another system. For more information, see Plan the Upgrade or Migration.
Direct Upgrade Paths
Since releases 3.2 and higher upgrade the Data Repository to Vertica release 8.1, we support Data Repository upgrades directly from the following releases to 3.5:
  • Release 3.0
  • Release 3.1
  • Release 3.2
For other
CA Performance Management
 components, we support upgrades directly from the following releases to 3.5:
  • Release 2.8
  • Release 3.0
  • Release 3.1
  • Release 3.2
For more information, see Plan the Upgrade or Migration.
Sudo User Installations
For systems without root access, sudo user accounts are used to install and run the software. Add the sudo prefix to commands to upgrade the components. Verify that your sudo accounts contain the correct permissions for each component.
For more information, see the sudo user configuration details for each component:
Back Up
CA Performance Management
Before you begin the upgrade process, back up all aspects of the product:
Low-Scale Systems
For a low-scale system where the Data Collector shares a host with the Data Aggregator, complete the configuration to enable the components to run on the same host. For more information, see Install a Low-Scale System.
Apache Karaf Update
Release 2.7 introduced an update to Apache Karaf that changes the name of the Karaf directory. Karaf now uses the following directory:
installation_directory
/apache-karaf-2.4.3
Review the Known Limitations
To ensure that your system runs successfully after the upgrade, review the limitations of 
CA Performance Management
 3.5. For more information, see Known Limitations.