Sets virtual disk physical sector size in bytes.
PRL_RESULT PrlDiskParams_SetPhysicalSectorSize( PRL_HANDLE hParams, PRL_UINT32 nSize );
PrlDisk.h
PRL_RESULT. Possible values are:
PRL_ERR_INVALID_ARG - Invalid handle or null pointer was passed. PRL_ERR_SUCCESS - Function completed successfully.