Chapter 61: Kubernetes Storage in Depth: Volumes, PV, PVC, StorageClass, CSI and Snapshots
Container band zala ki tyatla data jato. Volumes, PV aani PVC vaprun data surakshit theva. Pratyek prakar kind cluster var chalvun bagha.
What you will learn in this chapter
- Know why containers lose data and which volume type fixes what
- Use emptyDir for scratch and shared data, including memory-backed
- Understand hostPath and why it is risky
- Bind PersistentVolumes and PersistentVolumeClaims and pick access modes
- Provision disks automatically with StorageClasses and CSI drivers
- Mount ConfigMaps, Secrets and projected volumes
- Expand volumes, take snapshots and plan backups
Concepts in this chapter
- 61.1Volumes overview: why containers lose data and how Kubernetes keeps it
- 61.2emptyDir in depth: scratch space, shared folders, memory-backed volumes and size limits
- 61.3hostPath: using the node's own folders, the types, and why it is risky
- 61.4PersistentVolumes and PersistentVolumeClaims: access modes, reclaim policy and binding
- 61.5StorageClass and dynamic provisioning: kind local-path and AWS EBS CSI gp3
- 61.6ConfigMap and Secret volumes, projected volumes and live config reloads
- 61.7Expanding volumes, VolumeSnapshots and backups with Velero
The chapter recap is at the end of the last concept page.