Triple-boot on RAID 1

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Triple-boot on RAID 1

Postby rgnx on Wed Aug 05, 2009 7:44 pm

I've just built a new system and have been beating at this problem for the past week or so with no success. I've scoured the Linux Mint and Ubuntu forums (as well as some frantic Googling), and either none of the topics I've found specifically covered what I was looking for, or they just "didn't work."

I'm trying to set up a triple-boot on RAID 1. The operating systems in question are Windows XP Pro, Windows XP Pro x64, and Linux Mint 7 x64. The RAID is set up as (what I believe is) a FakeRAID provided by the BIOS.

I have successfully installed both Windows on RAID 1 side-by-side using the drivers packaged with the MoBo, but installing Linux has been giving me headaches. I first tried to install using the LM7 live CD and the "HowToFakeRAID" on the Ubuntu forums, but Mint was not reading my RAID properly. I then tried using the Ubuntu Alternate CD, which seems to have properly installed Ubuntu under some kind of RAID, but essentially destroyed my Windows installations.

Essentially, what I need to know is how to install LM7 onto an existing RAID 1 fakeraid alongside two Windows installations. I apologize if this has been asked before, but I'm at my wits' end and haven't been able to find anything.

I would like to use Linux Mint, but if that is impossible (or impossibly difficult), I am fine settling with Ubuntu or Debian.

Thanks in advance.
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Re: Triple-boot on RAID 1

Postby nukm on Wed Aug 05, 2009 11:05 pm

I refuse to ask why.

http://www.tldp.org/HOWTO/Software-RAID-HOWTO.html IN this link, read 7.3 & 7.4 & 7.5

SUSE used to have some info on softraid in their knowledge base. Much of the good stuff has disappeared since Novell bought SUSE.

http://linux-raid.osdl.org/index.php/Linux_Raid

http://linux-ata.org/faq-sata-raid.html

If you are running Windows raid from a hardware controller, why not Linux? You may not have a true hardware controller on your mobo.

http://www.faqs.org/docs/Linux-mini/DPT-Hardware-RAID.html

You need to tell the gurus here your drive setup, the specifics of the RAID setup in each OS instance - provide some data. Whatcha got for partitions? How many harddrives and what kind?

When you wiped your Windows RAID with Ubuntu there obvously was a partition glitch.
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Re: Triple-boot on RAID 1

Postby DrHu on Thu Aug 06, 2009 12:32 am

rgnx wrote:I'm trying to set up a triple-boot on RAID 1. The operating systems in question are Windows XP Pro, Windows XP Pro x64, and Linux Mint 7 x64. The RAID is set up as (what I believe is) a FakeRAID provided by the BIOS

http://en.wikipedia.org/wiki/RAID
    RAID 1 mirrors the contents of the disks, making a form of 1:1 ratio realtime backup. The contents of each disk in the array are identical to that of every other disk in the array.

Without knowing anything about your setup, I would suggest this
  • Unraid (convert to single disks again..) the windows installs, so that you then have separate disks
  • Check your partition information, windows or Linux (gparted)
  • Install Linux onto a hard drive
  • Check that the boot works for both Linux and windows
  • Reraid the disks (convert) the disk to raid1 again
    --check how Linux/Windows: converts a set of of disks to raid
  • Check boot of Windows/Linux
Linux..
http://linux-raid.osdl.org/index.php/Linux_Raid
http://mywheel.net/blog/index.php/softw ... in-ubuntu/
Windows..
http://tech.yahoo.com/gd/how-to-set-up- ... -pc/201889
http://www.techimo.com/articles/index.pl?photo=149
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