enhancement: don't use internal storageclasses

A caution section has been added in the Create an Empty Volume API
tab to describe that vmstate-persistence and longhorn-static are
internal StorageClasses and so an user shouldn't use them.

Related to harvester/harvester#8561

Signed-off-by: Damiano Cipriani <[email protected]>

Author: DamiaSan

docs/volume/create-volume.md

@@ -95,6 +95,12 @@ spec:
   volumeName: pvc-my-vol
 ```
 
+:::caution
+
+Do not use the `vmstate-persistence` and `longhorn-static` StorageClasses when creating new volumes. `vmstate-persistence` is used for TPM and UEFI persistence, while `longhorn-static` is used for for management of existing Longhorn volumes.
+
+:::
+
 </TabItem>
 <TabItem value="terraform" label="Terraform">
 

versioned_docs/version-v1.6/volume/create-volume.md

@@ -95,6 +95,12 @@ spec:
   volumeName: pvc-my-vol
 ```
 
+:::caution
+
+Do not use the `vmstate-persistence` and `longhorn-static` StorageClasses when creating new volumes. `vmstate-persistence` is used for TPM and UEFI persistence, while `longhorn-static` is used for for management of existing Longhorn volumes.
+
+:::
+
 </TabItem>
 <TabItem value="terraform" label="Terraform">