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Thread: Partitions and Dual Boot

  1. #1
    Join Date
    Jan 2008
    Beans
    13
    Distro
    Xubuntu 7.10 Gutsy Gibbon

    Question Partitions and Dual Boot

    I am about to install windows(i know, but...) on a partition, I have done this before and f**ked my computer all up.
    So I think that I am ready to do it again but I want to run the procedure past some of you guys to make sure I am not going to screw it all up again.

    so I have

    /dev/sda1 = Ubuntu i386x32 Boot
    /dev/sda2 = Ubuntu i386x64
    /dev/sdb1 = Storage
    /dev/sdb2 = Future Windows

    Ok, so because I installed x64 last it is loading that grub every time the computer boots, which is no big deal.
    I am running x32 for all my regular uses. There was an ubuntu install on sdb1 that I was using before I did a bunch of upgrades, I had a couple of big directories on there so I deleted everything else and resized it to get some free space for a windows install.
    So this is where I am at, I haven't even rebooted yet after the resize.
    These are the steps I am about to take.

    1. Boot to x64, get grub to re-evaluate what is installed and what is not.
    This is because, it was seeing my old 7.10 install on sdb1
    2. Restart just to make sure things are still fine.
    3. Hide sda1 and sda2 so the windows install wont see them.
    **Q. Will grub still load from sda2?
    4. Install windows.
    5. If windows is the only thing booting and being seen, then boot to live
    cd.
    6. If grub is still loading, boot to sda2 and edit grub to hide the ubuntu
    installs when loading windows, and make sure sda1 is still the default
    boot.

    so any insight would be a great help.
    Thnx in advance.

  2. #2
    Join Date
    Jul 2008
    Location
    Maryland
    Beans
    1,536
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Partitions and Dual Boot

    Just a short comment. If you change the boot order in bios to boot on what is now sdb and install window to that drive like you indicate, then windows will write that mbr and leave the one on what is now sda alone. So when you want to boot back to ubuntu you can change the boot order again to boot on the grub mbr. You would have to add your new windows install to the /boot/grub/menu.lst but at least you would have access to both systems in the meanwhile by changing the boot order.
    12.10 Quantal w/grub2/Mint13 installed on raid0, Gigabyte AMD MB, AMD 64x4 CPUs at 3.2GHz, 16 GB ram, HD7770 ATI video, dual boot win7 on 64gb ssd and win8 on 1Tb SATA raid. 13.04 installed on raid0 and ssd

  3. #3
    Join Date
    Jan 2008
    Beans
    13
    Distro
    Xubuntu 7.10 Gutsy Gibbon

    Talking Re: Partitions and Dual Boot

    Ah, thats perfect!
    Should I hide sda anyway? Just in case.

    Plenty Thnx
    I will reply with the outcome.

  4. #4
    Join Date
    Jul 2008
    Location
    Maryland
    Beans
    1,536
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Partitions and Dual Boot

    Glad to hear it. It's not necessary to hide sda. Not desireable to hide it if you want to share files with windows.
    12.10 Quantal w/grub2/Mint13 installed on raid0, Gigabyte AMD MB, AMD 64x4 CPUs at 3.2GHz, 16 GB ram, HD7770 ATI video, dual boot win7 on 64gb ssd and win8 on 1Tb SATA raid. 13.04 installed on raid0 and ssd

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