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Thread: raid1 installation issues

  1. #1
    Join Date
    Jul 2008
    Beans
    2

    raid1 installation issues

    Hello,

    I'm setting up software raid on a new install. Followed a number of tutorials to set-up raid1 via Ubuntu Server CD. All goes well, boots fine. Then I go into grub to install grub bl on the second disk. Keep getting error 15.

    device (hd0) /dev/sda

    Error 15: File not Found

    root (hd0,0)

    Error 15: File not Found

    Mdstat seems to indicate all is well.

    My setup is pretty simple:
    Ubuntu Server 8.04
    2 500GB SATA Hard Disks
    No Hardware Raid Controller
    4 RAID1 set-up during Ubuntu Install
    md0 /
    md1 /tmp
    md2 /var/log
    md3 swap

    I'm returning to linux after a number of years, so I'm rusty. Could be something silly I'm missing.

    Any help??


    More info:

    cat fstab
    # /etc/fstab: static file system information.
    #
    # <file system> <mount point> <type> <options> <dump> <pass>
    proc /proc proc defaults 0 0
    # /dev/md0
    UUID=6d3e2ab0-d461-421a-b12c-c7ed28ea4827 / ext3 relatime,error
    s=remount-ro 0 1
    # /dev/md1
    UUID=209cbb3e-ed65-4dcc-ad2f-caf8e182e3d6 /tmp ext3 relatime
    0 2
    # /dev/md3
    UUID=08575966-4f80-4bbc-98eb-92418c8e2a35 /var/log ext3 relatime
    0 2
    # /dev/md2
    UUID=f9fa2a89-d757-4910-a994-675630eae2f1 none swap sw
    0 0
    /dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
    Last edited by mikerd; July 4th, 2008 at 01:00 PM.

  2. #2
    Join Date
    Jul 2008
    Beans
    2

    Re: raid1 installation issues

    More info... Anyone who might be able to help??

    cat /boot/grub/menu.lst
    # menu.lst - See: grub(8), info grub, update-grub(8)
    # grub-install(8), grub-floppy(8),
    # grub-md5-crypt, /usr/share/doc/grub
    # and /usr/share/doc/grub-doc/.

    ## default num
    # Set the default entry to the entry number NUM. Numbering starts from 0, and
    # the entry number 0 is the default if the command is not used.
    #
    # You can specify 'saved' instead of a number. In this case, the default entry
    # is the entry saved with the command 'savedefault'.
    # WARNING: If you are using dmraid do not use 'savedefault' or your
    # array will desync and will not let you boot your system.
    default 0

    ## timeout sec
    # Set a timeout, in SEC seconds, before automatically booting the default entry
    # (normally the first entry defined).
    timeout 3

    ## hiddenmenu
    # Hides the menu by default (press ESC to see the menu)
    hiddenmenu

    # Pretty colours
    #color cyan/blue white/blue

    ## password ['--md5'] passwd
    # If used in the first section of a menu file, disable all interactive editing
    # control (menu entry editor and command-line) and entries protected by the
    # command 'lock'
    # e.g. password topsecret
    # password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/
    # password topsecret

    #
    # examples
    #
    # title Windows 95/98/NT/2000
    # root (hd0,0)
    # makeactive
    # chainloader +1
    #
    # title Linux
    # root (hd0,1)
    # kernel /vmlinuz root=/dev/hda2 ro
    #

    #
    # Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST

    ### BEGIN AUTOMAGIC KERNELS LIST
    ## lines between the AUTOMAGIC KERNELS LIST markers will be modified
    ## by the debian update-grub script except for the default options below

    ## DO NOT UNCOMMENT THEM, Just edit them to your needs

    ## ## Start Default Options ##
    ## default kernel options
    ## default kernel options for automagic boot options
    ## If you want special options for specific kernels use kopt_x_y_z
    ## where x.y.z is kernel version. Minor versions can be omitted.
    ## e.g. kopt=root=/dev/hda1 ro
    ## kopt_2_6_8=root=/dev/hdc1 ro
    ## kopt_2_6_8_2_686=root=/dev/hdc2 ro
    # kopt=root=/dev/md0 ro

    ## Setup crashdump menu entries
    ## e.g. crashdump=1
    # crashdump=0

    ## default grub root device
    ## e.g. groot=(hd0,0)
    # groot=(hd0,0)

    ## should update-grub create alternative automagic boot options
    ## e.g. alternative=true
    ## alternative=false
    # alternative=true

    ## should update-grub lock alternative automagic boot options
    ## e.g. lockalternative=true
    ## lockalternative=false
    # lockalternative=false

    ## additional options to use with the default boot option, but not with the
    ## alternatives
    ## e.g. defoptions=vga=791 resume=/dev/hda5
    # defoptions=quiet splash

    ## should update-grub lock old automagic boot options
    ## e.g. lockold=false
    ## lockold=true
    # lockold=false

    ## Xen hypervisor options to use with the default Xen boot option
    # xenhopt=

    ## Xen Linux kernel options to use with the default Xen boot option
    # xenkopt=console=tty0

    ## altoption boot targets option
    ## multiple altoptions lines are allowed
    ## e.g. altoptions=(extra menu suffix) extra boot options
    ## altoptions=(recovery) single
    # altoptions=(recovery mode) single

    ## controls how many kernels should be put into the menu.lst
    ## only counts the first occurence of a kernel, not the
    ## alternative kernel options
    ## e.g. howmany=all
    ## howmany=7
    # howmany=all

    ## should update-grub create memtest86 boot option
    ## e.g. memtest86=true
    ## memtest86=false
    # memtest86=true

    ## should update-grub adjust the value of the default booted system
    ## can be true or false
    # updatedefaultentry=false

    ## should update-grub add savedefault to the default options
    ## can be true or false
    # savedefault=false

    ## ## End Default Options ##
    ## ## End Default Options ##

    title Ubuntu 8.04.1, kernel 2.6.24-19-server
    root (hd0,0)
    kernel /boot/vmlinuz-2.6.24-19-server root=/dev/md0 ro quiet splash
    initrd /boot/initrd.img-2.6.24-19-server
    quiet

    title Ubuntu 8.04.1, kernel 2.6.24-19-server (recovery mode)
    root (hd0,0)
    kernel /boot/vmlinuz-2.6.24-19-server root=/dev/md0 ro single
    initrd /boot/initrd.img-2.6.24-19-server

    title Ubuntu 8.04.1, kernel 2.6.24-16-server
    root (hd0,0)
    kernel /boot/vmlinuz-2.6.24-16-server root=/dev/md0 ro quiet splash
    initrd /boot/initrd.img-2.6.24-16-server
    quiet

    title Ubuntu 8.04.1, kernel 2.6.24-16-server (recovery mode)
    root (hd0,0)
    kernel /boot/vmlinuz-2.6.24-16-server root=/dev/md0 ro single
    initrd /boot/initrd.img-2.6.24-16-server

    title Ubuntu 8.04.1, memtest86+
    root (hd0,0)
    kernel /boot/memtest86+.bin
    quiet

    ### END DEBIAN AUTOMAGIC KERNELS LIST

  3. #3
    Join Date
    Mar 2005
    Location
    Israel
    Beans
    99
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: raid1 installation issues

    mikerd, did you manage to solve this issue?

    I have a similar one, I have set up RAID 1 on two 250GB PATA drives and did not succeed on setting grub on the second drive to make them both bootable.
    I get the same "Error 15" when I enter the same commands.

    I've used this guide to make the RAID array.
    Linux, because no Steve will tell you what to do!

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