MKPT(8)                 GENIX Programmer's Manual                 MKPT(8)



      NAME
           mkpt - change the disk partition tables

      DESCRIPTION
           Mkpt is a standalone program that may be  used  to  edit  the  drive
           header  in  order to modify the origin and/or size of the filesystem
           partitions on a drive.  The size of a partition is specified in disk
           sectors, not filesystem blocks.

           Mkpt uses the standard notation of the  standalone  I/O  library  in
           identifying a partition to be modified.  A partition is specified as
           dc(x,y), where x refers to the unit  number  of  the  drive,  and  y
           refers to the filesystem partition that is to be modified.

           The program  terminates  when  it  receives  a  carriage  return  in
           response  to  the prompt for a partition to modify.  Entering a car-
           riage return in response to other  prompts  will  zero  that  field.
           Invalid  input  detected in any response will cause a termination of
           that cycle, without modifying any field changed during that cycle.

           If a partition is to  be  changed,  any  filesystems  that  will  be
           affected  by  the changes should first be dumped to tape.  Next, run
           mkpt and make the appropriate modifications to the partition  table.
           A  new  filesystem should then be built with mkfs(8).  After the new
           filesystem has been built, restore the affected filesystems from the
           dump tape.

      DIAGNOSTICS
           The diagnostics are intended to be self explanatory.

      FILES
           /usr/include/sys/disk.h    disk header

      SEE ALSO
           dc(4), dcutest(8)

      BUGS
           An equivalent facility that operates under  a  running  UNIX  system
           should be available.
















      Printed 11/16/83                                                        1