Prerequisites

Review the prerequisite requirements and the software versions supported by Verrazzano

Verrazzano requires the following:

A Kubernetes cluster and a compatible kubectl.
Two load balancers. Note that in a Verrazzano multicluster environment, two load balancers are required for each cluster.
dev profile - Each node in the cluster should contain at least two CPUs, 16 GB RAM, and 100 GB of disk storage. The entire cluster requires at least six CPUs, 48 GB RAM, and 100 GB of disk storage. In addition, about 52 GB of storage is required for the persistent volumes.
prod profile - Each node in the cluster should contain at least four CPUs, 32 GB RAM, and 100 GB of disk storage. The entire cluster requires at least eight CPUs, 64 GB RAM, and 150 GB of disk storage. In addition, about 450 GB of storage is required for the persistent volumes.

The storageClassName is not available for all the components where you configure persistent volumes, therefore, when it is not specified, the default StorageClass from the cluster is used.

NOTE

To avoid conflicts with Verrazzano system components, we recommend installing Verrazzano into an empty cluster. Also, depending on the resource requirements of the applications you deploy, the configurations previously suggested may or may not be sufficient.

Supported hardware

Verrazzano requires x86-64; other architectures are not supported.

Supported software versions

Verrazzano supports the following software versions.

Kubernetes

You can install Verrazzano on the following Kubernetes versions.

Verrazzano	Kubernetes Versions
1.7	1.24, 1.25, 1.26, 1.27
1.6	1.24, 1.25, 1.26, 1.27
1.5	1.21, 1.22, 1.23, 1.24
1.4	1.21, 1.22, 1.23, 1.24
1.3	1.21, 1.22, 1.23
1.2	1.19, 1.20, 1.21
1.1	1.19, 1.20, 1.21
1.0	1.18, 1.19, 1.20

For more information, see Kubernetes Release Documentation.
For platform specific details, see Verrazzano platform setup.

WebLogic Server

The supported versions of WebLogic Server are dependent on the WebLogic Kubernetes Operator version. See the WebLogic Server versions supported here.

Coherence

The supported versions of Coherence are dependent on the Coherence Operator version. See the Coherence versions supported here.

Helidon

Verrazzano supports all versions of Helidon. For more information, see Helidon and Helidon Commercial Offerings.

Verrazzano installed software

For a detailed list of Verrazzano installed software, see here.

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