Date: Fri, 3 Mar 2000 00:53:36 +0000 From: Mark Ovens <mark@ukug.uk.freebsd.org> To: John Murphy <john@t-f-i.freeserve.co.uk> Cc: questions@freebsd.org Subject: Re: Slices named X in FDISK Message-ID: <20000303005336.F327@marder-1> In-Reply-To: <qJq%2BOLXU1HoH=CSxQqcC16xPck=E@4ax.com>; from john@t-f-i.freeserve.co.uk on Thu, Mar 02, 2000 at 05:22:53PM %2B0000 References: <qJq%2BOLXU1HoH=CSxQqcC16xPck=E@4ax.com>
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On Thu, Mar 02, 2000 at 05:22:53PM +0000, John Murphy wrote:
> On Thu, 2 Mar 2000 02:07:27 +0000, Mark Ovens <mark@dogma.freebsd-uk.eu.org>
> wrote:
>
> >On Thu, Mar 02, 2000 at 01:56:26AM +0000, John Murphy wrote:
> >> Can't seem to find the answer to this: HELLLP!
> >>
> >> Trying to install both FreeBSD 3.2 and win95 on the same Seagate HD
> >> model ST38410A 8.4G
> >>
> <snip>
>
> >> FDISK Partition editor shows this: (after I create the slices I want)
> >> Disk name: wd0
> >> Disk Geometry: 1048 cyls/255 heads/63 sectors = 16836120 sectors[1]
> >>
> >> Offset Size End Name PType Desc Subtype Flags
> >> 0 63 62 - 6 unused 0
> >> 63 931707 931769 wd0s1 2 fat 6 =
> >> 931770 64260 996029 wd0s2 3 freebsd 165 C=
> >> 996030 16065 1012094 wd0s3 1 OS/2 bootmgr 10 =
> >> 1012095 10281600 11293694 wd0s4 4 extended 5 =
> >> 11293695 5542425 16836119 X 3 freebsd 165 =>
> >> 16836120 5544 16841663 - 6 unused 0 >
> >>
> >>
> >> How can I use the "X" slice as (say) wd0s5?
> >>
> >
> >Your 'X' partition, which *must* be a primary to use for FreeBSD comes
> >after the extended partition. This is not allowed. All primary
> >partitions must come before the extended partition.
> >
> >HTH
>
> Hi Mark
> Thanks for your reply; unfortunately it didn't help. It was easy to
> rearrange the partitions so that the extended partition was after the
> FreeBSD slice using PQMagic, but FDISK merely named the extended
> partition wd0s4 and named the area _before_ it "X"!
>
Arghh, sorry! I didn't spot it originally. You can only have a total
of 4 (DOS) partitions, either 4 primaries or, as you already have, 3
primaries and a single extended. This is a limitation of PC hardware,
not the OS. You will find that you won't be able to use this free
space to create another FAT partition either.
There's only 2 things I can suggest:
1. Get rid of the OS/2 boot mangler and use the one that comes with
FreeBSD.You can then delete the partition it is using.
2. Using PQ Magic move the extended to the end of the disk. Put the
OS/2 boot mangler after the FAT and make the remaining space, between
OS/2 and the extended, into one big FreeBSD partition. If you are
trying to set up 2 partitons for FreeBSD so that you can have a
separate ``/'' and ``/usr'' then you do this with the FreeBSD fdisk
within a single (DOS) partition. Remember a DOS partition is a FreeBSD
slice and that it then sub-divided into (FreeBSD) partitions -
different terminology.
Sorry again for the original incorrect info.
HTH
> My most recent attempt was to have nothing but unused space above wd0s3.
> I then used FDISK to create a 5542425 sector slice named wd0s4 and the
> rest of the install went well. I can now boot either OS as planned.
>
> However: Neither PQMagic or DOS FDISK can create an extended partition
> in the 5GByte of free space.
>
> Surely there must be a way to do this. If FreeBSD is limited to 4 slices
> per drive then I need to be able to make it ignore slices it doesn't
> need to know about. Or something...
>
> John.
--
Microsoft: Where do you want to go today?
Linux: Where do you want to go tomorrow?
BSD: Are you guys coming, or what?
-Poster at LinuxWorld 2000
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