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dynamic-provisioning-azure-file-considerations.adoc

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Considerations when using Azure File

The following file system features are not supported by the default Azure File StorageClass:

  • Symlinks

  • Hard links

  • Extended attributes

  • Sparse files

  • Named pipes

Additionally, the owner user identifier (UID) of the Azure File mounted directory is different from the process UID of the container. The uid mount option can be specified in the StorageClass to define a specific user identifier to use for the mounted directory.

The following StorageClass demonstrates modifying the user and group identifier, along with enabling symlinks for the mounted directory.

kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
  name: azure-file
mountOptions:
  - uid=1500 (1)
  - gid=1500 (2)
  - myfsymlinks (3)
provisioner: kubernetes.io/azure-file
parameters:
  location: eastus
  skuName: Standard_LRS
reclaimPolicy: Delete
volumeBindingMode: Immediate

  1. Specifies the user identifier to use for the mounted directory.

  2. Specifies the group identifier to use for the mounted directory.

  3. Enables symlinks.