📘 CHAPTER 7 — Kubernetes Storage Explained — PersistentVolumes, PVCs & StorageClass #kubernetes

Containers are ephemeral. Data must not be. This episode tackles
one of K8s's most misunderstood topics: persistent storage.

💥 Industry Problem:
Pod crashes → restarts on a new node → local storage gone → database
data wiped. This has caused real production data loss at scale.

✅ Solution:
PersistentVolumes (PV) decouple storage from pods. PVCs let apps
claim storage without knowing the underlying infrastructure.

📌 What You'll Learn:
→ Volume vs PersistentVolume vs PVC
→ Access modes: ReadWriteOnce, ReadOnlyMany, ReadWriteMany
→ StorageClass & Dynamic Provisioning
→ Reclaim policies: Retain, Recycle, Delete
→ CSI Drivers (AWS EBS, GCP PD, Azure Disk)
→ Storage for databases in K8s
→ Volume Snapshots

#KubernetesStorage #PersistentVolume #PVC #StorageClass #CSIDriver #K8s #CloudNative #DevOps #DatabaseOnKubernetes #SRE

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