Concepts

The topics in this section describe various PDS concepts required to understand and use PDS with your clusters.

📄️ Overview

What is Portworx Data Services?

📄️ PDS Architecture

PDS is composed of the following main components:

📄️ PDS Security

Portworx Data Services (PDS) uses a shared responsibility model for security. This means that Portworx secures certain components, but you must ensure the security of other components:

📄️ Pod Security Admission

Pod Security Admission (PSA) is a feature in Kubernetes that enforces security policies on pod creation and deployment in a target cluster. PSA replaces the Pod Security Policies feature in Kubernetes, which was deprecated in Kubernetes version 1.21 and removed in 1.25 version. For more information, see PSA in Kubernetes documentation.

📄️ User role privileges

A PDS user can be assigned with any one of the following roles: