Re: FAT32?

[Adonijah <adonijah@xxxxxxxxx>]

Simon 'corecode' Schubert wrote:
> On 22.07.2004, at 02:27, M. Schatzl wrote:
>
> > I encountered strange behaviour related to FAT32-partitions. Since I 
> > have 3 IDE's in the box, the mount-command would be (see fdisk output 
> > at the end of the message):
> >  mount_msdos /dev/ad2s4 /mnt
> >
> > This fails with an "mount_msdos /dev/ad2s4: Invalid argument". Same 
> > error if i append a "c" at the end. This machine has another FAT32 
> > partition on the first disk. Exactly the same here.
>
> [snipsnap]
>
> > ******* Working on device /dev/ad2 *******
> > parameters extracted from in-core disklabel are:
> > cylinders=159560 heads=16 sectors/track=63 (1008 blks/cyl)
> >
> > Figures below won't work with BIOS for partitions not in cyl 1
> > parameters to be used for BIOS calculations are:
> > cylinders=159560 heads=16 sectors/track=63 (1008 blks/cyl)
> >
> > Media sector size is 512
> > Warning: BIOS sector numbering starts with sector 1
> > Information from DOS bootblock is:
> > The data for partition 1 is:
> > sysid 131,(Linux filesystem)
> >     start 63, size 97713 (47 Meg), flag 80 (active)
> >         beg: cyl 0/ head 1/ sector 1;
> >         end: cyl 96/ head 15/ sector 63
> > The data for partition 2 is:
> > sysid 130,(Linux swap or Solaris x86)
> >     start 97776, size 2539152 (1239 Meg), flag 0
> >         beg: cyl 97/ head 0/ sector 1;
> >         end: cyl 1023/ head 15/ sector 63
> > The data for partition 3 is:
> > sysid 131,(Linux filesystem)
> >     start 2636928, size 5859504 (2861 Meg), flag 0
> >         beg: cyl 1023/ head 15/ sector 63;
> >         end: cyl 1023/ head 15/ sector 63
> > The data for partition 4 is:
> > sysid 5,(Extended DOS)
> >     start 8496432, size 152340048 (74384 Meg), flag 0
> >         beg: cyl 1023/ head 15/ sector 63;
> >         end: cyl 1023/ head 15/ sector 63
>
>
> this is not a FAT slice. it's a extended slice. the FAT slices are 
> *inside* of that. This reminds me of rewriting fdisk...
>
> you have to specify the simulated extended slice number 5 (at least) to 
> access it, like chris already wrote: ad2s5/ad2s5c

Actually, I have an extended DOS partition and to access the logical 
partition within I had to create as0s5, as06, ad0s7, ad0s8 and so on. 
That worked, nothing else did.