StorageClass
A StorageClass is a Kubernetes API resource that defines a category of storage and the provisioner and parameters for dynamically creating volumes.
Kubernetes in Action, Second Edition
A StorageClass is a Kubernetes API resource that defines a category of storage, its provisioner, and parameters for dynamically creating volumes in that category.
- How it is used
- Identifies the kind of persistent storage a claim requests and the provisioner used to create its volume.
- How deep it goes
- Explains fields through inspected YAML and contrasts binding modes; demonstrates a local class without detailing CSI driver internals.
- Examples
- Uses kubectl class listings, a claim requesting premium-rwo, inspected GKE class YAML, and a manually provided local volume.
- What you can do after
- Operate/configure it by inspecting classes, selecting one in a claim, or defining a class for manually provided local storage.
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Acing the Certified Kubernetes Administrator Exam, Second Edition
A storage class is a Kubernetes object that describes a class of storage and supports dynamic storage provisioning.
- How it is used
- Enables PVCs to request a class of persistent storage for pods without manually creating each PV.
- How deep it goes
- Works through class inspection, PVC selection, delayed binding, and PV verification; stops short of provisioner internals.
- Examples
- Uses a `standard` class, a 1 GiB claim mounted at `/var/lib/mysql`, and a `node-local` practice exercise.
- What you can do after
- Apply it via kubectl by selecting an existing class in a PVC, mounting the claim, and verifying its PV.
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Kubernetes for Developers
A Kubernetes storage class describes a category of dynamically provisioned storage and the parameters used to create volumes in that category.
- How it is used
- Selects dynamically provisioned disk types and deletion behavior for storage requested through PersistentVolumeClaims.
- How deep it goes
- Shows class inspection, a configurable manifest, and reclaim-policy consequences; does not detail provisioner internals.
- Examples
- Uses a retained-disk StorageClass, Redis recovery, and an SSD-backed scratch volume with automatic cleanup.
- What you can do after
- Operate/configure it with kubectl and a StorageClass manifest to choose storage parameters and an appropriate reclaim policy.
Effective Platform Engineering
A storage class is a Kubernetes resource that describes a category of storage and the provisioner and parameters used to create it dynamically.
- How it is used
- Provides standardized dynamic storage for common persistent-volume-claim needs on the platform.
- How deep it goes
- Defines concrete EBS and EFS manifests and parameters, but defers customized self-service storage provisioning.
- Examples
- Uses encrypted XFS io1 EBS volumes and EFS access points organized by PVC namespace and name.
- What you can do after
- Operate/configure standard EBS and EFS provisioning by applying cluster-specific StorageClass manifests.
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Related concepts
- persistent volumeconfigures · A persistent volume is durable storage provisioned independently of an individual workload’s lifecycle, allowing data to survive workload replacement or restart.
- persistent volume claimused by · A PersistentVolumeClaim is a Kubernetes resource through which a workload requests persistent storage with specified capacity, access modes, and other storage characteristics.
- waitforfirstconsumerconfigured by · WaitForFirstConsumer is a Kubernetes volume-binding mode that delays persistent-volume binding and provisioning until a pod using the claim is scheduled.
- reclaim policyconfigured by · A reclaim policy is a Kubernetes storage setting determining what happens to a PersistentVolume and its underlying storage after its claim is released.
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