Gentoo Archives: gentoo-user

From: Allan Gottlieb <gottlieb@×××.edu>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] dual booting windows 7, extended partitions, and the mbr
Date: Mon, 14 Jun 2010 02:11:15
Message-Id: yu9631m2wlo.fsf@nyu.edu
In Reply to: Re: [gentoo-user] dual booting windows 7, extended partitions, and the mbr by Mick
1 At Sat, 12 Jun 2010 09:05:43 +0100 Mick <michaelkintzios@×××××.com> wrote:
2
3 > On Tuesday 08 June 2010 12:47:37 Allan Gottlieb wrote:
4 >> At Tue, 08 Jun 2010 10:52:14 +0100 Neil Bothwick <neil@××××××××××.uk> wrote:
5 >> > On Mon, 07 Jun 2010 22:10:06 -0400, Allan Gottlieb wrote:
6 >> >> I am now ready to install linux (and grub).
7 >> >> Can I have all of linux on extended partitions? Something like
8 >> >>
9 >> >> 4. Extended
10 >> >> 5. linux / (a logical partition inside the extended partition)
11 >> >> 6. linux swap (another logical partition)
12 >> >> 7. linux lvm2 partition (another logical partition)
13 >> >> 8. linux small vfat partition (logical)
14 >> >>
15 >> >> I am mainly concerned about #5. Googling reveals that you can boot
16 >> >> from a logical partition but the authors seem to recommend against
17 >> >> it (without saying why in detail).
18 >> >
19 >> > Yes. My Linux only computers have no primary partitions, everything is on
20 >> > logical partitions and has worked that way for many years without a
21 >> > single issue.
22 >>
23 >> Thank you. That is just the endorsement I needed to go ahead.
24 >
25 > The first partition has FreeDOS I think and a couple of recovery tools.
26 >
27 > The second partition *should* have a backup of the MSWindows OS _and_ the boot
28 > files. If you less about with it you will probably find that your MSWindows
29 > OS does not boot anymore.
30 >
31 > The third partition should have the MSWindows OS.
32 >
33 > A quick check for finding a file called BCD and perhaps BCD_backup will show
34 > you which is the boot partition.
35 >
36 >
37 > If you are still under warranty you may want to install GRUB in your Linux
38 > /boot partition not in the MBR and then copy an image of the boot partition
39 > record from the Linux /boot partition to a file in your MSWindows OS
40 > partition. I have detailed how to chainload Linux from MSWindows in this
41 > thread:
42 >
43 > http://thread.gmane.org/gmane.linux.gentoo.user/226452/focus=226560
44 >
45 > HTH.
46
47 Thanks. Currently I am successfully chainloading windows from grub
48 loaded in the MBR. My only problem is with the network under linux, but
49 that is another thread.
50
51 thanks again,
52 allan