Re: [Haifux] dual boot

[Ez-Aton]

You are correct. However, a change in the partition table *after* lilo /
grub were installed, will result, especially for a newbie, in a complete
kernel-panic (no root fs).
It will also mean that mount points will change.

As you know, with the later lilo versions, and the later grub, you can boot
Linux fron any partition, without being limited to the first 1024 sectors of
the disk.

Most people today (especially newbies) install windows on the 1st (and
sometimes use "D:" in the 2nd) partitions, and Linux at the end of the disk,
aka - any change will result in complete Linux recoverable death.

Ez.

----- Original Message -----
From: "Tzafrir Cohen" <[EMAIL PROTECTED]>
To: "Ez-Aton" <[EMAIL PROTECTED]>
Cc: "Nadav Har'El" <[EMAIL PROTECTED]>; "sagi a"
<[EMAIL PROTECTED]>; "Haifa Linux Club list"
<[EMAIL PROTECTED]>
Sent: Monday, May 27, 2002 4:25 AM
Subject: Re: [Haifux] dual boot


> On Mon, 27 May 2002, Ez-Aton wrote:
>
> > I will check. I belive it has some sort of removal mechanism, I will
check
> > into it.
> > It's just that I preffer Lilo...
>
> I personally wouldn't trust such a "uninstall" option to cleany
> "uninstall" lilo without understanding a couple of things about boot
> loaders.
>
> You see, only one program can occupy the MBR, the first sector of the disk
> that is executed by the bios if the system is to be loaded from this disk.
>
> This is only 512 bytes, and it also has to include the main partition
> table, so boot loaders place only an initial piece of code there that
> calls the rest of the code from a seperate location (OK, at least lilo
> does).
>
> Anyway, when the boot loader gets installed, it has a chance of saving the
> old data/boot-loader that was there.
>
> However this data is not guaranteed to be correct anymore. If you have
> happened to change your windows partition, this information is probably
> invalid, that is: point to an ifformation that will not load you your
> system.
>
> Generally you should run over lilo/grub with a new boot-loader. e.g:
> run 'fdisk /mbr' as someone else suggested.
>
> [general comment: I didn't reply to the original message. I replied to
> this message. This one is interesting enough. See
> http://www.tuxedo.org/~esr/faqs/smart-questions.html . Though a beginner
> will sometimes find this difficult to follow ;-) . I also must comment
> that my attitude to newbie questions differs depending on the mailing
> list. http://linux.org.il/mailing-lists/ ]
>
> --
> Tzafrir Cohen
> mailto:[EMAIL PROTECTED]
> http://www.technion.ac.il/~tzafrir
>
>
>
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