Monday, April 29, 2013

Install GRUB on a RAID device problem


Installing Ubuntu Server on a motherboard Raid and got stuck on installing GRUB bootloader at /dev/mapper


1. You need the actual name of the RAID array to install to. So during that step, press   
  ctrl+alt+F2 to drop to a busybox terminal, then enter

2. In command line, enter
    ls -l /dev/mapper

3. Pick out the name of your array from the list shown, then press ctrl+alt+F1 to switch back to the
    install (you can switch back and forth as much as you like with no problems) and enter it in the
    field as
  /dev/mapper/{your array name}

    then GRUB installs perfectly and you're ready to go, with a proper BIOS RAID array intact.

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