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STATUS_SPACES_PROVISIONING_TYPE_INVALID
Provisioning controls when capacity is reserved
Storage Spaces supports provider-defined provisioning behavior. In the Windows Storage subsystem, thin provisioning allocates backing storage on demand, while fixed provisioning allocates storage when the virtual disk is created. This status means the requested type is not available for the current pool, subsystem, or virtual-disk configuration.
What to check
- Query the pool and its supported defaults instead of assuming that every storage provider supports both modes for every layout.
- For thin provisioning, assess physical-capacity monitoring and expansion policy; a large logical size does not create backing capacity.
- For fixed provisioning, verify that the pool can reserve the required capacity after resiliency overhead is included.
Microsoft: CreateVirtualDisk ProvisioningType
Microsoft: New-VirtualDisk examples
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