K 10 svn:author V 2 ae K 8 svn:date V 27 2011-11-07T06:24:35.641790Z K 7 svn:log V 294 Improve error reporting when MBR can not be written. Remove obsolete code which uses DIOCSMBR ioctl. When writing MBR first check that GEOM_MBR is available, if it is not available, then try write MBR directly to provider. If both are failed, then recommend to use gpart(8). MFC after: 2 week END