.. _vim.fault.DeviceBackingNotSupported: ../../vim/fault/DeviceBackingNotSupported.rst .. _VmConfigIncompatibleForFaultTolerance: ../../vim/fault/VmConfigIncompatibleForFaultTolerance.rst vim.fault.UnusedVirtualDiskBlocksNotScrubbed ============================================ :extends: `vim.fault.DeviceBackingNotSupported`_ The unused disk blocks of the specified virtual disk have not been scrubbed on the file system.Typically, this fault is returned as part of a parent fault like `VmConfigIncompatibleForFaultTolerance`_ , indicating that the unused blocks of the virtual disk must be zeroed-out on the file system before before fault tolerance can be enabled on the associated virtual machine. Attributes: