[Malvern] How does linux handle IDE channels

[Robin Wilson]

Hi

Thanks for your reply Chris.

Suse 9.2 is installed.

The bootloader is Grub.

Haven't tried the disk in that machine with knoppix - but have in another 
machine and it works fine. The disk is absolutley fine - I have used an OS 
independant disk checking prog and it came out fine.

Does the root partition change? It used to be hda2 - what will it change to? 
How do I edit the grub config files?

Robin
----- Original Message ----- 
From: "Chris Eilbeck" <chris at hyperspace.org.uk>
To: <malvern at mailman.lug.org.uk>
Sent: Saturday, April 02, 2005 4:40 PM
Subject: Re: [Malvern] How does linux handle IDE channels


> On Sat, Apr 02, 2005 at 01:23:56PM +0100, Robin Wilson wrote:
>> Hi all,
>>
>> I've been having a few problems with my linux server recently - and
>> have come to the conclusion that IDE Channel 0 has failed. The hard
>> drive on it is still fine though (I've tested it using knoppix on
>> another computer). I have replaced the hard drive in my server - as
>> master on the secondary channel (IDE Channel 1) and it boots but gets
>> part way throught the startup and stops because it "Can't create the
>> device node for hda2". Is that because it is looking for it on IDE
>> channel 0 and can't find it? Do I need to configure something so it
>> knows where the hard drive is? Or is that my hard drive is actually
>> failing - even though it can be read fine through knoppix on my other
>> pc?
>
> What OS is installed on the hard disk?  What boot loader?  What happens
> when you boot knoppix on this machine with the failed disk controller but
> with the disk on the second controller?
>
> If you're using grub the you probably need to edit the boot command to
> tell it where the root partition is and it should boot in single user
> mode at least.  Then just edit the fstab as necessary and the grub menu
> file.
>
> I've just had the same problem moving a hard disk onto a new machine and
> putting it on the ATA133 controller instead of the built-in ide
> controller.  I've still no idea how I'm gonna boot the Win2kPro
> installation on the same disk without reinstalling it but that's par for
> the course, innit?
>
> Chris
> -- 
> Chris Eilbeck
> MARS Flight Crew                              http://www.mars.org.uk/
> UKRA #1108 Level 2                                                UYB
> Tripoli UK Member #9527                                          LSMR
>
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