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Thread: How to install openSuse 11 on BIOS Raid0 (FakeRaid)

  1. #1
    elttbg NNTP User

    Default How to install openSuse 11 on BIOS Raid0 (FakeRaid)

    I've just successfully installed Opensuse 11 on two WD raptor drives on Intel ICH9R Raid0 (BIOS raid or DMraid). The installation was not straightforward. Thanks to many sources of information on other forums, I've managed to simplify the steps.

    The main problem is the installation will fail at the end when it tries to install Grub because it can't find the correct partition to install itself to.

    The easiest way to install Opensuse 11 in this case is to use the LiveCD as it lets you open a terminal and make changes to Grub.

    here are the steps:

    1) boot from LiveCD, and run the setup using the desktop icon.
    2) On the partition setup section. You can let the installer figure out the partition setup or you can setup your own. It will recognize the Raid setup as DMraid. Take note of the partition names, e.g. isw_dfkdjkddf_OSdrive_part1, in my case, part5 was the /boot
    3) Go on the next steps until Grub error appears at the end.
    4) Click ok on the error msg dialog and click "yes" when it asks if you want to retry setting up Grub
    5) Now open a terminal window, type
    Code:
    ls /dev/mapper
    , you should see something like isw_hdjhjernmd_OSdrive_part#. The newly installed OS11 should still be mounted in /mnt.
    6) type
    Code:
    vi /mnt/boot/grub/device.map
    , this file helps Grub find the appropriate partition, if you see "(hd0) /dev/sda", that means Grub will look for sda for boot partition, change "/dev/sda" to "/dev/mapper/isw_hdjhjernmd_OSdrive". (hd0,4) means the 5th partition. In my case, I have to map it to /dev/mapper/isw_hdjhjernmd_OSdrive_part5, since that is where my /boot partition is located.
    7)Save the changes using ":wq" in vi editor, go back to the installation window, and retry Grub installation, it should go smoothly this time and you can reboot with new OS11 installed!

    Hope this helps.

  2. #2
    davidpier NNTP User

    Default Re: How to install openSuse 11 on BIOS Raid0 (FakeRaid)

    Thanks for those instructions, I am desperately trying to get opensuse 11 also installed on my raid set up. I am having a problem however, when following you steps, when I get to editing the device.map file there are not entries (the filesis there but its blank). I make an entry based on my boot partition which was part1, so my entry map looks like:

    (hd0) /dev/mapper/isw_hdjhjernmd_OSdrive_part1


    I guess my question is, is something wrong since there are no entries in the device.map file. Cause when I restart the Grub install, it keeps erroring out. And when I go back into the device.map but the file its blank again, so I guess the install is overriding my previously entry with a new blank device.map file. Is there another file I should edit or am I not making the correct mapping. I have also tried (hd0,4).
    Again my boot partition is part1 so I assumeing (hd0) is the correct map but since the file is blank and overrideen every retry Im not sure whats going on. Thanks for your help


    David

  3. #3

    Default Re: How to install openSuse 11 on BIOS Raid0 (FakeRaid)

    Hi,I am trying to dualboot xp+os11 on the same fakeraid0 and I have the os11-dvd, can I use the same procedure as you have mentioned? thank you!

  4. #4
    elttbg NNTP User

    Default Re: How to install openSuse 11 on BIOS Raid0 (FakeRaid)

    Quote Originally Posted by royoni View Post
    Hi,I am trying to dualboot xp+os11 on the same fakeraid0 and I have the os11-dvd, can I use the same procedure as you have mentioned? thank you!
    I installed os11 with xp on dualboot

  5. #5
    elttbg NNTP User

    Default Re: How to install openSuse 11 on BIOS Raid0 (FakeRaid)

    Quote Originally Posted by davidpier View Post
    Thanks for those instructions, I am desperately trying to get opensuse 11 also installed on my raid set up. I am having a problem however, when following you steps, when I get to editing the device.map file there are not entries (the filesis there but its blank). I make an entry based on my boot partition which was part1, so my entry map looks like:

    (hd0) /dev/mapper/isw_hdjhjernmd_OSdrive_part1


    I guess my question is, is something wrong since there are no entries in the device.map file. Cause when I restart the Grub install, it keeps erroring out. And when I go back into the device.map but the file its blank again, so I guess the install is overriding my previously entry with a new blank device.map file. Is there another file I should edit or am I not making the correct mapping. I have also tried (hd0,4).
    Again my boot partition is part1 so I assumeing (hd0) is the correct map but since the file is blank and overrideen every retry Im not sure whats going on. Thanks for your help


    David
    Hi david, you said device.map was empty, did you run su first? you need admin permission to see the content of the file

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