Upgrade Requirements and Considerations

If you are upgrading Data Aggregator, review the following information.

Supported Upgrade Paths

If you are upgrading from a previous release of Data Aggregator, upgrade your components. You always upgrade the CA Performance Center, Data Aggregator, and Data Collector components. Upgrade CA Infrastructure Manager Data Repository when you are upgrading to the releases identified in the table that follows.

Important! If you are upgrading from Release 2.0.00 to Release 2.4, upgrade to Release 2.1.00, upgrade to Release 2.2.x, and then upgrade to Release 2.3, first.

The following table indicates the supported upgrade paths and indicates which components to upgrade:

Release	CA Performance Center Component	Data Aggregator Component	Data Collector Component	CA Infrastructure Manager Data Repository Component
Release 2.0.00 to Release 2.1.00	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Not Required
Release 2.1.00 to Release 2.2.00	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Required
Release 2.2.00 to Release 2.2.1	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Not Required
Release 2.2.00 or 2.2.1 to 2.2.2	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Required
Release 2.2.[1, 2, 3] to 2.3.[0, 1, 2, 3]	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Not Required
Release 2.2.x to 2.3.4	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Required Note: Vertica Release 7 is introduced in Release 2.3.4.
Release 2.3.[0, 1, 2, 3] to Release 2.3.4	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Required Note: Vertica Release 7 is introduced in Release 2.3.4.
Release 2.3.4 to Release 2.4	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Not Required
Release 2.3.3 to Release 2.4	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Required
Release 2.4 to Release 2.4.1	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Required
Release 2.3.4 to Release 2.4.1	Upgrade Required	Upgrade Required	Upgrade Required	Upgrade Required

Note: For information about upgrading Data Aggregator components, see the Data Aggregator Installation Guide. For information about upgrade requirements and considerations for releases before 2.3.x, see the Release Notes or Fixed Issues file for the release to which you are upgrading.