[gentoo-user] grub-install vs. manual install

[gentoo-user] grub-install vs. manual install

[Uwe Thiem]

Hi folks,

I have just been bitten by this and bring it up here so others don't need to 
fall into the same pit.

If you want (or are forced) to have /boot and your MBR on different harddrives 
(*not* partitions) invoke grub and do the manual install as described in the 
handbook rather than use grub-install which simply assumes they are on the 
same drive.

Uwe

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Re: [gentoo-user] grub-install vs. manual install

[Neil Bothwick]

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On Mon, 8 Jan 2007 15:31:42 +0200, Uwe Thiem wrote:

> If you want (or are forced) to have /boot and your MBR on different
> harddrives (*not* partitions) invoke grub and do the manual install as
> described in the handbook rather than use grub-install which simply
> assumes they are on the same drive.

I've found grub-install to be flakey on a number of occasions, so I
always do it manually. there's only two commands to remember and type,
sometime I even manage it without reading the docs :)


-- 
Neil Bothwick

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Re: [gentoo-user] grub-install vs. manual install

[Uwe Thiem]

On 08 January 2007 15:54, Neil Bothwick wrote:
> On Mon, 8 Jan 2007 15:31:42 +0200, Uwe Thiem wrote:
> > If you want (or are forced) to have /boot and your MBR on different
> > harddrives (*not* partitions) invoke grub and do the manual install as
> > described in the handbook rather than use grub-install which simply
> > assumes they are on the same drive.
>
> I've found grub-install to be flakey on a number of occasions, so I
> always do it manually. there's only two commands to remember and type,
> sometime I even manage it without reading the docs :)

Honestly, I have written them on a knotes popup on my desktop. ;-)

Uwe

-- 
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Re: [gentoo-user] grub-install vs. manual install

[Hans-Werner Hilse]

Hi,

On Mon, 8 Jan 2007 13:54:59 +0000
Neil Bothwick <neil@digimed.co.uk> wrote:

> > If you want (or are forced) to have /boot and your MBR on different
> > harddrives (*not* partitions) invoke grub and do the manual install as
> > described in the handbook rather than use grub-install which simply
> > assumes they are on the same drive.
>
> I've found grub-install to be flakey on a number of occasions, so I
> always do it manually.

+1. Grub-install did never (okay, in many cases) the right thing and
made things too complicated. I usually have a grub CD flying around
(see "info grub" on how to create one -- but your linux distro of
choice may have one if not using syslinux/isolinux). In the earlier
days that was a grub-floppy, but I don't bother using likely to be
defective floppies anymore...

Letting grub install from its "native" environment (rather than under
the kernel's regency) has proven to be rock-solid, esp. regarding
device enumeration. OTOH, be sure which partition's or disk's boot
sector you're writing to...

> there's only two commands to remember and type,
> sometime I even manage it without reading the docs :)

Bahhh, grub has "help"! :-)

-hwh
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Re: [gentoo-user] grub-install vs. manual install

[Neil Bothwick]

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On Mon, 8 Jan 2007 21:31:17 +0100, Hans-Werner Hilse wrote:

> > there's only two commands to remember and type,
> > sometime I even manage it without reading the docs :)  
> 
> Bahhh, grub has "help"! :-)

That counts as TFM :)


-- 
Neil Bothwick

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