VMware provides default storage policies for Virtual SAN and virtual datastores.
Virtual SAN Default Storage Policy
The default storage policy that VMware provides is applied to all virtual machine objects that are provisioned on a Virtual SAN datastore when you do not select any other Virtual SAN policy.
The policy that VMware provides has the following characteristics:
You cannot delete the policy.
The policy is editable. To edit the policy, you must have the storage policy privileges that include the view and update privileges.
When editing the policy, you cannot change the name of the policy or the Virtual SAN storage provider specification. All other parameters including rules are editable.
You can clone the default policy and use it as a template to create a storage policy.
The Virtual SAN default policy is compatible only with Virtual SAN datastores.
You can create a VM storage policy for Virtual SAN and designate it as the default.
Virtual Volumes Default Storage Policy
For Virtual Volumes, VMware provides a default storage policy that contains no rules or storage requirements. As with Virtual SAN, this policy is applied to virtual machine objects when you do not specify another policy for the virtual machine that you place on the virtual datastore. With the No Requirements policy, storage arrays can determine the optimum placement for the VM objects.
The default Virtual Volumes policy that VMware provides has the following characteristics:
You cannot delete, edit, or clone this policy.
The Virtual Volumes default policy is compatible only with virtual datastores.
You can create a VM storage policy for Virtual Volumes and designate it as the default.