While studying Kubernetes, I found the section on Volumes a bit confusing. As it is crucial, I delved into it and simplified it as much as possible. I want to share the following concepts and hope it will be helpful for others learning about Kubernetes as well.

𝗪𝗵𝗮𝘁 𝗶𝘀 𝗩𝗼𝗹𝘂𝗺𝗲 𝗶𝗻 𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀?
At its core, a volume is a directory, possibly with some data in it, which is accessible to the containers in a pod. Multiple types of volumes can be used. i.e. (AWS-EBS, Azure Disk).

𝗪𝗵𝗮𝘁 𝗶𝘀 𝗦𝘁𝗼𝗿𝗴𝗮𝗖𝗟𝗮𝘀𝘀?
StorageClass in Kubernetes is a blueprint that tells the system how to provide storage for your applications automatically. It simplifies the process by managing the type and creation of storage behind the scenes.

𝗪𝗵𝗮𝘁 𝗶𝘀 𝗣𝗲𝗿𝘀𝗶𝘀𝘁𝗲𝗻𝘁 𝗩𝗼𝗹𝘂𝗺𝗲?
Persistent volume (PV) is a piece of storage in the cluster that has been provisioned by an administrator or dynamically provisioned using Storage Classes. It is a resource in the cluster just like a node is a cluster resource.

𝗪𝗵𝗮𝘁 𝗶𝘀 𝗮 𝗣𝗲𝗿𝘀𝗶𝘀𝘁𝗲𝗻𝘁 𝗩𝗼𝗹𝘂𝗺𝗲 𝗖𝗹𝗮𝗶𝗺?
A PersistentVolumeClaim (PVC) is a request for storage by a user. It is similar to a Pod. Pods consume node resources and PVCs consume PV resources. Pods can request specific levels of resources (CPU and Memory). Claims can request specific size and access modes (e.g., they can be mounted ReadWriteOnce, ReadOnlyMany, ReadWriteMany, or ReadWriteOncePod, see AccessModes)