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Re: partitions



On Mon, Dec 11, 2006 at 06:38:30PM -0000, michael wrote:
> > I'm not sure if I'm messed up here but all advice welcome:
> >
> >  I
> >  used the WinXP setup CD to delete existing WinXP 32Gb partition,
> >  created
> >  2 new 16Gb partitions, then made some spare space at end a new
> >  partition
> >  too (it may have been 2 new partitions). WinXP installed okay into one
> > of the partitions (didn't create a
> >  filesys on the others).
> >
> >  but then it seemed had to change from hda3 to hda6 to boot Debian and
> > then when do gpart/parted it gives a
> >  smaller no.
> >  of partitions than the XP setup made and has a couple with same
> >  starting
> >  point (byte? cylinder?)....
> >
> > I then deleted the new partitions (leaving WinXP in the new but smaller
> > partition) but still Debian (eg parted) only sees 3 partitions and two
> > of them start in same place.
> >
> > Sorry for lack of details - will write them down and post later today
> >
> >
> here are the details from fdisk, sfdisk and mount respectively:
> Disk /dev/hda: 120.0 GB, 120034123776 bytes
> 255 heads, 63 sectors/track, 14593 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/hda1   *           1        2081    16715601    7  HPFS/NTFS
> /dev/hda2            4178       14592    83658487+   f  W95 Ext'd (LBA)
> /dev/hda5            4178        8354    33551721    b  W95 FAT32
> 
> Command (m for help):
> 
> 
> 
> Disk /dev/hda: 14593 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+   2080    2081-  16715601    7  HPFS/NTFS
> /dev/hda2       4177   14591   10415   83658487+   f  W95 Ext'd (LBA)
> 		start: (c,h,s) expected (1023,254,63) found (1023,0,1)

I don't like this warning or its repeat below. if you haven't yet
installed deb, you might try rebuilding the partition table from the
installer, or a live CD. You SHOULD be able to do so without affecting
the ntfs partition, so long as you don't try to resize it (Though that
works now too). having said that, the data above from fdisk looks all fine.

> /dev/hda3          0       -       0          0    0  Empty
> /dev/hda4          0       -       0          0    0  Empty
> /dev/hda5       4177+   8353    4177-  33551721    b  W95 FAT32
> 		start: (c,h,s) expected (1023,254,63) found (1023,1,1)
> /dev/hda6       8354   13955    5602   44998065   83  Linux
> 		start: (c,h,s) expected (1023,254,63) found (1023,0,1)
> 
> 
> /dev/hda6 on / type ext3 (rw,errors=remount-ro)
> proc on /proc type proc (rw)
> devpts on /dev/pts type devpts (rw,gid=5,mode=620)
> tmpfs on /dev/shm type tmpfs (rw)
> usbdevfs on /proc/bus/usb type usbdevfs (rw)
> /dev/hda5 on /data type vfat (rw,noexec,nosuid,nodev)


your / is mounted on hda6 because 1) you've got a fat32 partition on
hda5 AND they are both logical partitions, not physical
partitions. logical partitions start their numbering at 5 and go up
from there. 

you questioned the '+' and '-' symbols in the partition tables. I
believe that merely refers to "a little bigger" or "a little smaller"
than the number listed. it is merely because the units used to display
the cylinder count and size of the partition is not precise enough --
you've got fractional cylinders. 

hth

A

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