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Re: RAID 0 disks configuration

 

Hi Matteo,

I've seen other people talking about changing the raid config, because
installation failed otherwise, but I did not have that problem. So my
raid config is still as was originally (4 * 64 in raid0).

In short I did this to install Ubuntu 10.10 64bit beta:
- Boot from the Ubuntu 10.10 beta 64bit DVD. This was rather hard
because the graphics do not get initialised properly, I think what did
the trick was booting to windows first and then booting to the DVD,
but it's been a while ago I tried.
- Resize the Windows disk. I tried resizing from Windows, but that
only allowed me to shrink it by around 100Gb or so. From Linux I could
resize to it any value. After resizing you have to boot Windows again
to let it scan / fix the ntfs. Then again boot the DVD.
- Now I could install Ubuntu 10.10 beta 64bit without problems. The
four 64Gb ssd's were named /dev/sda to /dev/sdd. Don't use these
directly because they are used in the raid array. Instead use
/dev/mapper/xxxx_Volumexxx. Simply add an extended partition to
/dev/mapper/xxx_Volume0 and add your Linux partitions in there. These
will be named e.g. /dev/mapper/xxx_Volume05, 06 and 07.
- I installed grub to /dev/mapper/xxx_Volume0. I think I did that
manually because the installer gave an error.
- I edited /boot/grub/grub.cfg to change linux to linux16 and initrd
to initrd16, and I have added these kernel options: i8042.nopnp
acpi_backlight=vendor. I don't need the 'nomodeset' kernel option with
the change to linux16 and initrd16. Now I can use the intel graphics
correctly, except that brightness does not work yet.

I hope this helps anyone installing Linux while keeping Windows 7 up
and running.

With kind regards,

Rutger Hendriks

2010/10/2 Matteo Carminati <carminati.matteo@xxxxxxxxx>:
> Thank you all for the answers!
> I tried with the beta of ubuntu 10.10, as suggested by Michael, but I was
> not able to force vesa drivers to have a graphical interface nor to use the
> alternate edition to perform a text installation (since the mirror could not
> recognize the maverick release). Am I doing something wrong? Any other
> suggestion?
> Otherwise, I'll get rid of the and try to install both the OSs, hoping it
> could work.
> Best,
> Matteo
> 2010/9/30 Michael Schramm <michael.schramm@xxxxxxxxx>
>>
>> Hi
>>
>> Have you tried to use the beta of ubuntu 10.10?
>> That worked for a friend of mine.
>>
>> Br michael
>>
>> Am 30.09.2010 19:26 schrieb "Matteo Carminati"
>> <carminati.matteo@xxxxxxxxx>:
>> > Hi all,
>> >
>> > This is my first mail in this mailing-list and I hope I could be helpful
>> > in
>> > the future, even if I'm not a linux expert, but now I need some help.
>> > I bought a VPCZ1290X (4GB RAM - 2x128 GB SSD - 1600x900 screen), a pair
>> > of
>> > weeks ago and I now want to have linux on it.
>> >
>> > I'd like to have both win and a linux distribution on it, but I did not
>> > found a way to install linux without deleting the original win7
>> > installation, due to the RAID 0 configuration of the two SSDs that
>> > cannot be
>> > recognized by all the linux installers I tryed.
>> > What I want to do is to disable the RAID 0 configuration in the bios,
>> > but I
>> > suppose in this way the win7 installation will be corrupted. Is this
>> > correct?
>> > Is there another way to install both linux and win, preserving the
>> > original
>> > win7 installation?
>> >
>> > Thank you all for the answers!
>> > Regards,
>> >
>> > Matteo
>
>
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