[Bug 843809] Re: Installation problem with external HDD controller

[Jacek N]

I tested with nodmraid option and it made no difference. My kernel argument list:
ubuntu at ubuntu:~$ cat /proc/cmdline 
noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --  nodmraid

I tested with "nodmraid" before "--" and behavior was exactly the same.

This is buit in fake raid (so software only solution), I do not think they offer any BIOS level configuration, I checked and there is nothing I can do to set it up before my installation.
I also used single hard drive for the installation so it there is not much point in creating raid array on it.

Regardless of what the reson for this is I think that ubiquity should at
least point user into the right direction. My hardware is pretty
standard - nForce based motherboard with single hard drive. Less
technical users with similar PCs could just assume their hardware is not
supported if they cannot see hard drive.

I can replicate this every time so if anybody wants me to do more
testing I will be happy to help.

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https://bugs.launchpad.net/bugs/843809

Title:
  Installation problem with external HDD controller

Status in “ubiquity” package in Ubuntu:
  Incomplete

Bug description:
  I tried to install Ubunru 11.04 on computer with external (PCI) SATA
  controller, on a disk attached to this controller.

  Disk is visible in Ubuntu (I can browse it in nautilus), but it is not
  present in Ubiquity. To see it there I have to open console and do:

  apt-get remove dmraid

  Ubiquity should allow installation on such disks without such
  problems.

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