truenas/library/common/docs/persistence/pvc.md

pvc

Key	Type	Required	Helm Template	Default	Description
persistence.[volume-name].labels	dict	❌	✅ (On value only)	{}	Additional labels for persistence
persistence.[volume-name].annotations	dict	❌	✅ (On value only)	{}	Additional annotations for persistence
persistence.[volume-name].retain	boolean	❌	❌	{{ .Values.global.fallbackDefaults.pvcRetain }}	Define wether the to add helm annotation to retain resource on uninstall (Middleware should also retain it when deleting the NS)
persistence.[volume-name].accessModes	string/list	❌	✅	{{ .Values.global.fallbackDefaults.pvcAccessModes }}	Define the accessModes of the PVC, if it's single can be defined as a string, multiple as a list
persistence.[volume-name].volumeName	string	❌	✅		Define the volumeName of a PV, backing the claim
persistence.[volume-name].existingClaim	string	❌	✅		Define an existing claim to use
persistence.[volume-name].storageClassName	string	❌	✅	See below	Define an existing claim to use
persistence.[volume-name].size	string	❌	✅	{{ .Values.global.fallbackDefaults.pvcSize }}	Define the size of the PVC

• If storageClass is defined on the persistence:
  • "-"
  • Returns "", which means requesting a PV without class
  • Else
  • Return the original defined storageClass
• Else if there is a storageClass defined in {{ .Values.fallbackDefaults.storageClass }}, return this

---

Notes:

View common keys of persistence in Persistence Documentation.

---

Examples:

persistence:
  pvc-vol:
    enabled: true
    type: pvc
    labels:
      label1: value1
    annotations:
      annotation1: value1
    accessModes: ReadWriteOnce
    volumeName: volume-name-backing-the-pvc
    existingClaim: existing-claim-name
    retain: true
    size: 2Gi
    # targetSelectAll: true
    targetSelector:
      pod-name:
        container-name:
          mountPath: /path/to/mount