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List Archive: gentoo-sparc
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To: Zhang Weiwu <zhangweiwu@...>
From: Ferris McCormick <fmccor@g.o>
Subject: Re: a question regarding using promise PDC 20262 ide card on Ultra 5 as boot device
Date: Tue, 30 Nov 2004 21:20:57 +0000 (UTC)
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On Wed, 1 Dec 2004, Zhang Weiwu wrote:

> Ferris McCormick wrote:
>
>> On Wed, 1 Dec 2004, Zhang Weiwu wrote:
>> 
>> 2. It will show the disks and ask you to select the one you want.
>> Select the external drive (They are labeled a, b, c, etc.  You should
>> see a & b; pick the one corresponding to your external drive.  If it's
>> not obvious from the disk name, by using brute force you can do this
>> twice, once with the external drive on and once not.)
>> 3. boot ^Y (Ctrl-Y), or 'devalias gentoo ^Y' and then 'boot gentoo'
>> 
> Err. None of a, b, c could boot. I feel a bit wired, a) is cdrom, b) is 
> ide@3/disk but the hdd on IDE card should be ide5 (count from 1) or ide4 
> (count from 0)

What's c?  ide@3/disk looks exactly right for the internal drive. (I
suppose c is the floppy?)
And, instead of 'show-disks' you can use 'show-devs' and see everything.
Then you will see what's on your external card if the system can see it.
(It should be another ide@?/disk, I would think.)
>

Perhaps a solution is for you during the install to put the /boot 
partition onto the internal drive and install the boot loader there.
(This should work fine unless you need to preserve it.) 
Then put / onto the external drive, and follow the installation
guide for setting up the configuration.

I have to admit that when I did this with a U10, my external drive was
a SCSI drive so it was attached to a scsi card.  I don't know how
disks get numbered when you have both the internal IDE disk and an
external IDE disk on a different controller...

>> 
> Is it possible at all to put the boot loader onto floppy like some people did 
> for their x86 box? I see the kernel is pretty big (3.6MB), but squezze down 
> it seems could reach 1.44MB.
>
Those are questions for someone else.  My kernel (U2-SMP) compressed is:
4085   26640 1574624 /boot/vmlinuz-2.4.27-r1-SMP
So you have two questions:
1.  Will Gentoo boot of the floppy?  And if so,
2.  Can you take enough out of the kernel & put it into modules
     to fit the kernel + the boot loader onto a floppy?

I am sure your situation is addressed somewhere, but I've never run
across it.

Good luck, keep trying, and come back with questions.  Eventually
someone who knows the answer will get tired of reading my responses
and will feed you better information.

- --
Ferris McCormick (P44646, MI) <fmccor@g.o>
Developer, Gentoo Linux (Sparc)
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Replies:
Re: a question regarding using promise PDC 20262 ide card on Ultra 5 as boot device
-- Zhang Weiwu
Re: a question regarding using promise PDC 20262 ide card on Ultra 5 as boot device
-- Keith M Wesolowski
References:
a question regarding using promise PDC 20262 ide card on Ultra 5 as boot device
-- Zhang Weiwu
Re: a question regarding using promise PDC 20262 ide card on Ultra 5 as boot device
-- Ferris McCormick
Re: a question regarding using promise PDC 20262 ide card on Ultra 5 as boot device
-- Zhang Weiwu
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Updated Jun 17, 2009

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