Kubernetes Persistent Volumes (PV)

Persistent Volumes subsystem provides an API for users and administrators that abstracts details of how storage is provided from how it is consumed

• kubectl get pvc
• kubectl describe pvc mysql-pv-claim

Providers

GCEPersistentDisk
AWSElasticBlockStore
AzureFile
AzureDisk
CSI (Container Storage Interface)
FC (Fibre Channel)
FlexVolume (deprecated)
Flocker
NFS
iSCSI
RBD (Ceph Block Device)
CephFS
Cinder (OpenStack block storage)
Glusterfs
VsphereVolume
Quobyte Volumes
HostPath (Single node testing only -- local storage is not supported in any way and WILL NOT WORK in a multi-node cluster)
Portworx Volumes
ScaleIO Volumes
StorageOS
Persisten

Example

Volumes:
 your-vol-1:
   Type:      ConfigMap (a volume populated by a ConfigMap)
   Name:      prod-admin-config
   Optional:  false
 your-vol-2:
   Type:        Secret (a volume populated by a Secret)
   SecretName:  your-secret-name
   Optional:    false
 your-vol-3:
   Type:                    Projected (a volume that contains injected data from multiple sources)
   TokenExpirationSeconds:  3607
   ConfigMapName:          your-kube-root-ca.crt
   ConfigMapOptional:       <nil>
   DownwardAPI:             true

News

• Jun 2018 v1.11 Resizing Persistent Volumes using Kubernetes in alpha

Related terms

• Persistent Volume Claim (PVC)
• Volumes (Kubernetes)
• kubectl apply
• Container Storage Interface (CSI)

See also

• Kubernetes storage, storage classes, PersistentVolume (PV), PVC, CSI, kind: StorageClass, kind: PersistentVolumeClaim, kind: PersistentVolume, kubectl [ get | describe | edit ] pvc, volumeClaimTemplates:, kubectl patch pv, FailedMount, Volume Expansion, Volume Cloning, snapshots, ExtraVolumes, NotTriggerScaleUp, volumePVCDataSource, AllowVolumeExpansion, EKS storage, provisioner, Storage Capacity Tracking, VolumeBinding, VolumeClaimTemplate, storage.k8s.io, CKA Storage, DoKC, EmptyDir, Volume populators