Description: Volume expansion in Kubernetes refers to the process of increasing the size of a volume used for data storage in a Kubernetes cluster. This functionality is crucial for applications that require more storage space as they grow, allowing developers and system administrators to adjust storage capacity without needing to interrupt service. Kubernetes enables dynamic volume expansion, meaning that changes to the volume size can be applied in real-time, facilitating resource management and optimizing storage usage. Volume expansion is compatible with various storage types, including Persistent Volumes and cloud storage volumes, providing flexibility in choosing the underlying infrastructure. This feature is especially relevant in production environments where availability and scalability are essential, allowing organizations to quickly adapt to changing demands from their applications and users.