Ubuntu 9.10 Desktop CD booted system could not mount internal harddisks attached to a RAID motherboard

[Karl F. Larsen]

Lawrence Tsang wrote:
> Hi Tom, Karl and All,
> 
>      Yes Tom. Ubuntu 9.10 Desktop CD has the "nodmraid" boot option (press
> F6 before boot).
> 
>      I could now see and use all my internal and removable disks. Thanks.
> 
>      One more point I want to be clear. If, later, I want to install Ubuntu
> 9.10 Desktop into my non-raid sda1 or sda2 partition. Should I first boot
> the Ubuntu 9.10 Desktop CD with the "nodmraid" boot option and then install;
> or should I first boot the Ubuntu 9.10 Desktop normally, apply the command
> "apt-get purge dmraid" and then install ?
> 
>      Happy to have your helpful comment.
> 
> Regards
> Lawrence
> 
> 
> On Tue, Feb 2, 2010 at 9:50 PM, Tom H <tomh0665 at gmail.com> wrote:
> 
>>> I expect the command "dmraid -an" in a root terminal would do the job
>>> of de-activating the detected BIOS RAID set while keeping the metadata of
>>> the BIOS RAID set.

	My experience with Bios has been you need to catch your bios 
when booting up and then go to the place you set up raid and 
reset it to no raid. This should then let you use both HD as 
seperate HD.

But my bios has no raid setting so take my advice with a grain 
od salt...


73 Karl




  (At this mean time I don't want to remove the settings
>>> (metadata) in the RAID BIOS, I may remove it later.)
>> dmraid -a n will definitely not touch your data but I think that there
>> is another solution but cannot check.
>>
>> When you boot from the Ubuntu live cd, you can choose some kernel
>> options with one of the f-keys. nodmraid might be one of them.
>>
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> 


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	Karl F. Larsen, AKA K5DI
	Linux User
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