ux.misc,comp.os.os2.setup.storage   
   2011 23:30:26 GMT)   
   gTt4e7-n*F?.Rl^   
   ?r\c.!4DXH5PWpga"ha   
   omp.os.os2.misc:2878 comp.os.linux.misc:19350 comp.os.os2.setup.storage:361   
   From: Richard Kettlewell    
      
   Jonathan de Boyne Pollard    
   writes:   
      
   > Ah.  You wrote "partition tables".  OS/2's LVM information is a quite   
   > different kettle of fish.  I can understand how that might have become   
   > damaged by a Linux distribution.  It doesn't reside in the partition   
   > table proper.  It resides in unallocated space.  And everyone should,   
   > after all of these years, know the principle of not relying on being   
   > able to freely use unallocated disc space for one's own purposes, or   
   > even relying upon its existence in the first place given how some of   
   > the world doesn't even use the MBR partitioning scheme any more.   
   > (It's a pity that IBM's LVM didn't follow in the wise footsteps of   
   > IBM's BootManager, and claim the space it uses with an actual   
   > partition.  Microsoft's dynamic disc management gets that right.  So   
   > does Linux LVM, albeit in a different way.)  Ironically, there's   
   > probably something in Ubuntu making the same foolish and selfish   
   > assumption.  (This is, of course, one of the reasons WHY one cannot   
   > rely upon unallocated space.  Everyone else selfishly had the same   
   > wrongheaded idea, and they all conflict.)   
      
   I think your guess is right.  Ubuntu uses grub2 as a bootloader and does   
   exactly this on BIOS-based systems if the space before the first   
   partition is large enough.   
      
   A couple of releveant links:   
      
   http://www.gnu.org/software/grub/manual/grub.html#Installing-GRU   
   -using-grub_002dinstall   
      
   http://lists.gnu.org/archive/html/grub-devel/2010-08/msg00137.html   
      
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