[geeks] GUID Disk hiccups

[Mark]

Interesting poser for you. I have a disk in my Mac Pro that, until  
recently, had 1 Mac OS X (HFS+ Journalled), and one Windows XP (NTFS)  
partition. I recently re-located the contents of the Mac partition to  
another drive (500GB) and decided I wanted to use it as more space for  
my Windows stuff. As you can't format stuff as NTFS in OS X I did it  
in Windows, by removing the partition and replacing it with a NTFS one.

This has caused some light amusement however, as XP doesn't support  
altering GUID tables. Mac OS X reads the GUID header and thinks the  
partition is a MAc OS one and can't mount it, but mounts the original  
NTFS partition fine. XP reads the MBR and sees the two NTFS partions  
fine.

Does anyone know of a way to refresh the GUID table without destroying  
the contents of the partitions?

-- 
Mark Benson

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"Never send a human to do a machine's job..."