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Old 10-06-2003, 12:22 PM   #1
Registered: Oct 2003
Location: Chicago
Distribution: Ubuntu 10.04 Lucid Lynx
Posts: 43

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Angry The partition table on device hda was unreadable?!


I have windows XP installed on a 28 gig partition and I have 9 gigs set aside for Red Hat 8.0. I get through installation OK, until I get to the partitioning section.
I click partition automatically and it says:
The partition table on device hda was unreadable. To create new partitions it must be initialized, causing the loss of ALL DATA on this drive.

I click yes, and it gives me another error:

No devices found to install Red Hat Linux

Windows detects both its own NTFS partition and the empty space I had for linux, and a third thing that I dont know what it is or where it came from (something small, like 160 MB).

DOES ANYBODY KNOW WHAT IS HAPPENING? I am going insane with hatred towards microsoft because I am sure its their fault somehow.
Old 10-06-2003, 01:06 PM   #2
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Registered: Apr 2003
Location: Lancaster, England
Distribution: Debian Etch, OS X 10.4
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i seem to remember an option in win2k to make a disk dynamic, iirc it claims to make the disk access faster but prevents other operating systems from seeing the disk. that'd be my guess

here we go - just copied from the disk management help

from microsoft help file
Dynamic volumes
Dynamic volumes are a new feature of Windows 2000 and can only be created on dynamic disks. With dynamic disks, you are no longer restricted to four volumes per disk.

There are five types of dynamic volumes: simple, spanned, mirrored, striped, and RAID-5. Only computers running Windows 2000 can access dynamic volumes. You should create basic volumes, such as partitions or logical drives, on basic disks if you want computers running Windows NT 4.0 or earlier, Windows 98 or earlier, or MS-DOS to access these volumes.


Dynamic volumes are not supported on portable computers.
Mirrored and RAID-5 volumes are available only on computers running Windows 2000 Server. You can, however, use a computer running Windows 2000 Professional to create mirrored and RAID-5 volumes on a remote computer running Windows 2000 Server

so basically theyve gone and changed the partition table to something non-compatible with the rest of the world. so much for microsoft being backwards compatible, lol.

the help goes on to describe how to convert back into a basic disk, i dont know xp but if you fiddle about in control panel im sure you'll find the correct option.

Last edited by kev82; 10-06-2003 at 01:07 PM.
Old 10-06-2003, 01:30 PM   #3
Registered: Jul 2002
Distribution: OpenSuSE 11
Posts: 441

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Or just get another drive, does it make the MBR unreadabke also?
Old 10-07-2003, 10:18 AM   #4
Registered: Oct 2003
Location: Chicago
Distribution: Ubuntu 10.04 Lucid Lynx
Posts: 43

Original Poster
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thanks for the help. I am thinking of getting a new hard drive when I get some cash, hopefully I will get enough for my birthday. But my question is, should i get 2 HDs, one that extends windows' space and one that is linux dedicated, or should I just get a larger one with multiple partitions? Or should I just put the unallocated space into windows and get a medium size linux drive? I am thinking about getting a new video card, maybe a radeon 9600, which is fairly expensive. Anyway, if I keep the linux partition on my current HD will I need to reinstall windows to change from Dynamic Disk mode?
Thanks again.


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