NFS Subdir External Provisioner
NFS Subdir External Provisioner
Dynamic PersistentVolume provisioner backed by an existing NFS export, for workloads that want shared/NFS-backed storage rather than Longhorn’s replicated block storage. Runs as a single-replica Deployment in the nfs-provisioner namespace.
Like MetalLB, this component has no manifest directory under /home/bjones/Kubernetes — it was deployed directly rather than tracked in this repo. Details below come from live cluster state.
Backing NFS export
| Setting | Value |
|---|---|
| NFS server | 192.168.1.194 |
| Export path | /media_pool |
| Provisioner name | cluster.local/nfs-subdir-external-provisioner |
The provisioner mounts that export at its own pod root and creates a subdirectory per PersistentVolumeClaim.
StorageClass
Exposed as the nfs-media-pool StorageClass:
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NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION
nfs-media-pool cluster.local/nfs-subdir-external-provisioner Retain Immediate true
reclaimPolicy: Retain — unlike local-path and longhorn (both Delete), PVs from this class survive PVC deletion; the backing directory on the NFS export has to be cleaned up manually. Not set as the cluster default — used only by workloads that request storageClassName: nfs-media-pool explicitly (e.g. shared media libraries).