/FORCED_ERROR (default)
  /NOFORCED_ERROR

 	This qualifier will allow the LD device to handle forced errors,
 	provided that the underlaying physical device is capable of handling
 	them too. Specify /NOFORCED_ERROR to prevent the device from
 	handling these errors and return an SS$_UNSUPPORTED error if an
 	attempt is made to create a forced error. This can be used in testing
 	host-based volume shadowing.