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  #1  
Old 13th January 2009, 11:48 AM
hilbert24 Offline
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Location: Noida, India
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F10 installer doesn't recognize partition table

Hi,

I am trying to install Fedora 10 on my laptop. But it doesn't recognize my existing partition table. I get the following message-

The Partition table on device sda was unreadable.
Then some message about initializing it and that the data would be lost.

My laptop is a Dell XPS M1330 with 160 GB hdd. Currently, it has a Ubuntu, Windows Vista and Fedora 8. I want to replace my Fedora 8 installation with Fedora 10.

If the partition table entries help, they are-

Device Boot Start End Blocks Id System
/dev/sda1 * 19196 19457 2104483+ c W95 FAT32 (LBA)
/dev/sda2 7 5228 41945715 7 HPFS/NTFS
/dev/sda3 5229 19457 114294442+ f W95 Ext'd (LBA)
/dev/sda5 5229 9690 35840000 83 Linux
/dev/sda6 9691 10996 10485760 7 HPFS/NTFS
/dev/sda7 10997 13485 19992861 83 Linux
/dev/sda8 13486 13734 2000061 82 Linux swap / Solaris
/dev/sda9 13735 14979 10000431 83 Linux
/dev/sda10 14980 16473 12000523+ 83 Linux
/dev/sda11 16474 19195 21864433+ 83 Linux

Any idea whats going wrong?

Thanks,
Ram
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  #2  
Old 13th January 2009, 02:01 PM
Nokia Offline
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How do you boot Ubuntu and Fedora ? Via GRUB or EasyBCD ?
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  #3  
Old 15th January 2009, 07:46 AM
hilbert24 Offline
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Quote:
Originally Posted by Nokia View Post
How do you boot Ubuntu and Fedora ? Via GRUB or EasyBCD ?
Via GRUB
Does it depend on the bootloader? My previous installation of Ubuntu when I already had Fedora 8 and Vista went fine.
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  #4  
Old 15th January 2009, 12:48 PM
sideways Offline
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anaconda uses parted, so post the ouput of 'parted -l /dev/sda' as root and see if the partition table is listed as msdos
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  #5  
Old 18th January 2009, 02:40 PM
hilbert24 Offline
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Quote:
Originally Posted by sideways View Post
anaconda uses parted, so post the ouput of 'parted -l /dev/sda' as root and see if the partition table is listed as msdos
[root@Ram ~]# parted -l /dev/sda
Error: Can't have overlapping partitions.

I had done some repartitioning using fdisk earlier. Can that be a problem? Everything works fine though, i.e. all my partitions are recognized in Fedora 8 and Ubuntu.
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  #6  
Old 18th January 2009, 04:07 PM
stoat Offline
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Quote:
Originally Posted by hilbert24

Device Boot Start End Blocks Id System
/dev/sda1 * 19196 19457 2104483+ c W95 FAT32 (LBA)
/dev/sda2 7 5228 41945715 7 HPFS/NTFS
/dev/sda3 5229 19457 114294442+ f W95 Ext'd (LBA)
/dev/sda5 5229 9690 35840000 83 Linux
/dev/sda6 9691 10996 10485760 7 HPFS/NTFS
/dev/sda7 10997 13485 19992861 83 Linux
/dev/sda8 13486 13734 2000061 82 Linux swap / Solaris
/dev/sda9 13735 14979 10000431 83 Linux
/dev/sda10 14980 16473 12000523+ 83 Linux
/dev/sda11 16474 19195 21864433+ 83 Linux

Any idea whats going wrong?
Well, I don't really know what's going wrong, but here is one thing that caught my eye. The partition /dev/sda1 is named by the operating system as though it is a primary partition, but it occupies cylinders that are inside the extended partition (/dev/sda3). The partition numbers 1-4 are usually reserved for the four possible primary partitions. I have never seen a logical partition be assigned a number below 5 by the operating system (but that means nothing, of course).

Here are the partitions from your fdisk report rearranged by cylinder order. I added spaces to see the cylinders better. Cylinders 1-6 are apparently empty.
Code:
/dev/sda2   7     5228  41945715   7 HPFS/NTFS
/dev/sda3   5229  19457 114294442+ f W95 Ext'd (LBA) <==The extended partition which
/dev/sda5   5229  9690  35840000  83 Linux              contains all of the partitions
/dev/sda6   9691  10996 10485760   7 HPFS/NTFS          that follow next.
/dev/sda7   10997 13485 19992861  83 Linux
/dev/sda8   13486 13734 2000061   82 Linux swap / Solaris
/dev/sda9   13735 14979 10000431  83 Linux
/dev/sda10  14980 16473 12000523+ 83 Linux
/dev/sda11  16474 19195 21864433+ 83 Linux
/dev/sda1 * 19196 19457 2104483+   c W95 FAT32 (LBA)
See what I mean about /dev/sda1? Does it matter? I don't know. It's just different. Unusual. IMO.

Last edited by stoat; 18th January 2009 at 04:21 PM.
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  #7  
Old 21st January 2009, 05:00 AM
hilbert24 Offline
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Thanks
I can now see why parted complained about overlapping partitions. I'll try to adjust sda3 so that it doesn't include sda1 and then install.
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