Installing Linux on a logical drive in DOS extended partition

Installing Linux on a logical drive in DOS extended partition

Post by Benedict Cho » Tue, 04 Feb 1997 04:00:00



Here a dumb question:

I know that Linux can be installed on a second primary partition and
one can use Lilo to boot between Linux & DOS/etc.

If I only have one primary partition and an extended partition with
say, 2 logical drives, can I install Linux in one of the logical
drives and then boot from it?

Ben

 
 
 

Installing Linux on a logical drive in DOS extended partition

Post by Martin Reill » Wed, 05 Feb 1997 04:00:00



Quote:(Benedict Chong) writes:
> If I only have one primary partition and an extended partition with
> say, 2 logical drives, can I install Linux in one of the logical
> drives and then boot from it?

I don't think you can; what you *can* do though is to delete the extended partition
(and the drives in it), re-create it with DOS fdisk to use less than all of the disk
space available and recreate your logical drives in it (and restore the backups
you took of them!). Then when you install Linux it will allow you to create another
primary partition in the 'spare' space for Linux, and make it bootable with LILO.

--

Martin Reilly


 
 
 

Installing Linux on a logical drive in DOS extended partition

Post by B.A.McCau.. » Thu, 06 Feb 1997 04:00:00



>Here a dumb question:

>I know that Linux can be installed on a second primary partition and
>one can use Lilo to boot between Linux & DOS/etc.

>If I only have one primary partition and an extended partition with
>say, 2 logical drives, can I install Linux in one of the logical
>drives and then boot from it?

Yes.

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Installing Linux on a logical drive in DOS extended partition

Post by Martin Reill » Thu, 06 Feb 1997 04:00:00




> >If I only have one primary partition and an extended partition with
> >say, 2 logical drives, can I install Linux in one of the logical
> >drives and then boot from it?

> Yes.

In a *logical drive* rather than a *partition* ?

It could have saved me a lot of effort if it was possible on a machine I
upgraded from Windows to Linux recently if I'd know how it done....

--

Martin Reilly

 
 
 

Installing Linux on a logical drive in DOS extended partition

Post by Alain Knaff.DELETE.TH » Sun, 09 Feb 1997 04:00:00




Quote::(Benedict Chong) writes:

:
:> If I only have one primary partition and an extended partition with
:> say, 2 logical drives, can I install Linux in one of the logical
:> drives and then boot from it?
:
:I don't think you can; what you *can* do though is to delete the extended partition

 You can, even if you keep your current partitioning scheme.  However,
you have to install LILO in the bootsector of the _extended_ partition
(i.e. the holder of the logical partition) and not in the boot sector
of the logical partition itself.

 For instance, suppose your hardisk has the following structure:

 hda1                   = DOS C:
  |
 hda2  ---- hda5        = DOS D:
        |
        |-- hda6        = linux root
        |
        --- hda7        = linux /users

 If you want to boot from hda6, do not install LILO into hda6's
bootsector, but into hda2's, and also make hda2 the active partition.

 This can for instance be done using the followin lilo.conf:

boot = /dev/hda2
compact
install = /boot/boot.b

image = /boot/zImage
  label = linux
  read-only
  root = /dev/hda6
  vga = normal
  ramdisk = 0

--
 Linux - Why use Windows, since there is a door?

 Alain

 
 
 

1. Installing Linux to a logical DOS drive on an extended partition?

I'm currently running OS/2 and would like to switch to Linux.  The problem arises from the current
partitioning or my hard drive.  I'm running off of a Mistumi SCSI 500 megger that's partitioned into
the primary drive, which is a DOS/FAT which OS/2 runs off of.  The other partition is a 400 meg
extended partition and it contains 4 logical partitions (DOS logical drives, or whatever you'd like
to call them).  

Will Linux install itself on one of these logical partitions, or does it require an "actual" partition
that is recorded on the partition table of the disk?  I don't look forward to having to re-partition
my disk to install Linux, and the FAQs I've read say partition, and I'm really afraid that they are
refering to an actual physical partition and not a logical one.

I would give Linux an entire partition to itself, but I have no other place to put the DOS/FAT data
that currently resides on half of the extended partition.  The other physical partition is my OS/2
partition and the same holds true there.

Any help you may be able to offer would be greatly appreciated.  If possible (and convienient),
please send an e-mail reply as I'll be much more likely to receive it-- my news feed is prone to
sudden, irregular, termination.

Gabe

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