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

Tom H tomh0665 at gmail.com
Mon Feb 1 09:52:45 UTC 2010

> I have a computer system having 2 internal 250GB harddisks attached to
> a RAID motherboard. I have not used the RAID feature and have just set the
> two internal harddisks as independent IDE disks. This system works OK in a
> Windows XP environment. I could see and use these 2 internal disks in such a
> XP environment for at least 1 year.
> However, recently, when I boot my system using the Ubuntu 9.10 Desktop
> CD in a cdrom, the CD boots normally into a workable Ubuntu 9.10 Desktop.
> But I just could not use the above mentioned 2 internal harddisks.

Look into dmraid to disable and remove the dmraid set(s).

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