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Subject[Probably OT] Re: Odd partition overlapping problem
From
Date
On Tue, 2001-11-13 at 10:08, Richard B. Johnson wrote:
> > Device Boot Start End Blocks Id System
> > /dev/hda1 * 1 523 4200966 c Win95 FAT32 (LBA)
> > /dev/hda2 524 525 16065 83 Linux
> > /dev/hda3 526 2647 17044965 83 Linux
> > /dev/hda4 2648 3736 8747392+ 5 Extended
> > /dev/hda5 2648 2713 530113+ 82 Linux swap
> > /dev/hda6 2714 3736 8217216 c Win95 FAT32 (LBA)
> The extended partition goes from 2648 to 3736. The first part of
> this extended partition from 2648 to 2713 is swap. The second part
> of 2714 to 3736 is the FAT32 partition. It looks as though M$ tries
> to use the swap area, ignoring the 82 code for Linux swap. This
> may be why the M$ partition gets trashed. To test this theory,
> disable swap on this drive (comment it out in /etc/fstab). Re-do
> the M$ partition and see if it remains clean. If it remains
> clean, then do a `mkswap` from Linux. Reboot to M$ and verify that
> the last partition is now corrupt. This will show that M$ is
> trying to use the swap area. If it is, re-fdisk the extended
> partition to put Linux swap at the end instead of the beginning.

Yes, well, the problem is more serious than that, since formatting the
windows partition will write unwanted stuff to my main linux partition
as well. This partition is 17GB, but less than 3GB is used. Unless
reiserfs writes stuff all over the place, there shouldn't be data
anywhere near the end of this partition.

Anyway, I don't want to kill off random files on my linux partition if
there is some other way to test this.

BTW, sfdisk -l -x /dev/hda says:

Disk /dev/hda: 3736 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from
0

Device Boot Start End #cyls #blocks Id System
/dev/hda1 * 0+ 522 523- 4200966 c Win95 FAT32 (LBA)
/dev/hda2 523 524 2 16065 83 Linux
/dev/hda3 525 2646 2122 17044965 83 Linux
/dev/hda4 2647 3735 1089 8747392+ 5 Extended

/dev/hda5 2647+ 2712 66- 530113+ 82 Linux swap
- 2713 3735 1023 8217247+ 5 Extended
- 2647 2646 0 0 0 Empty
- 2647 2646 0 0 0 Empty

/dev/hda6 2713+ 3735 1023- 8217216 c Win95 FAT32 (LBA)
- 2713 2712 0 0 0 Empty
- 2713 2712 0 0 0 Empty
- 2713 2712 0 0 0 Empty

cc to me, I'm not on the list.

Robert

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