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Re: Multiple SATA disks, two OSs and booting problem



Owen Townend wrote:


On 2/20/08, *Tero Mäntyvaara* <termant@gmail.com <mailto:termant@gmail.com>> wrote:

    Owen Townend wrote:
    >
    >
    > On 2/20/08, *Tero Mäntyvaara* <termant@gmail.com
    <mailto:termant@gmail.com>
    > <mailto:termant@gmail.com <mailto:termant@gmail.com>>> wrote:
    >
    >     Hi,
    >
    >     I have got motherboard that has support for four (4) SATA
    devices. I
    >     have installed Debian 4.0r2 AMD64 on filesystem witch has
    been build
    >     on top of LVM system. LVM is on top of software-raid1 device
    md0 with
    >     two SAMSUNG SP1614C (SATA) disks. Everything works well.
    >
    >     But if I connect two other disks (SATA2), there is volume
    group (named
    >     VG1) on those disks and KnoppMyth OS installed on one
    partition of the
    >     other disk, booting into Debian fails.
    >
    >     Further investigated: If I connect either of the two
    KnoppMyth VG1
    >     disks
    >     Debian boots well.
    >
    >     And while all disks connected booting into KnoppMyth goes well.
    >
    >     Here is the output:
    >     kinit: name_to_dev_t(/dev/mapper/VG0-LV--swap) = dm-8(253,8)
    >     kinit: trying to resume from /dev/mapper/VG0-LV--swap
    >     Attempting manual resume
    >     kinit: No resume image, doing normal boot...
    >     resume: libgcrypt version 1.2.3
    >     resume: Could not read the image
    >     Done.
    >     kjournald starting. Commit internal 5 seconds
    >     EXT3-fs: mounted filesystem with ordered data mode.
    >     Begin: Running /scripts/local-bottom ...
    >     Done.
    >     Done.
    >     Begin: Running /scripts/init-bottom ...
    >     mount: Mounting /root/dev on /dev/.static/dev failed: No
    such file or
    >     directory
    >     Done.
    >     mount: Mounting /sys on /root/sys failed: No such file or
    directory
    >     mount: Mounting /proc on /root/proc failed: No such file or
    directory
    >     Target filesystem doesn't have /sbin/init
    >
    >     BusyBox v1.1.3 (Debian 1:1.1.3-4) Built-in shell (ash)
    >     Enter 'help' for a list of built-in commands.
    >
    >     /bin/sh: can't access tty; job control turned of
    >     (initramfs)
    >
    >
    >     Here is the illustration of the disks:
    >     Debian:
    >     ------------------------------
    >     FS:
    >         /boot (LV-dir-boot)
    >         /usr (LV-dir-usr)
    >         /var (LV-dir-var)
    >         /home (LV-dir-home)
    >         /usr/local (LV-dir-usr-local)
    >         / (LV-root)
    >         /tmp (LV-dir-tmp)
    >         swap (LV-swap)
    >     ---------------------------------
    >     LVM:
    >         LVs:
    >             LV-dir-boot
    >             LV-dir-usr
    >             LV-dir-var
    >             LV-dir-home
    >             LV-dir-usr-local
    >             LV-root
    >             LV-dir-tmp
    >             LV-swap
    >         VG:
    >             VG0
    >     ----------------------------------
    >     RAID:
    >         md0 (RAID1): hde1, hdg1
    >     ----------------------------------
    >     Partitions:
    >         hde
    >            hde1 (Auto RAID)
    >         hdg
    >            hdg1 (Auto RAID)
    >     ----------------------------------
    >     Disks:
    >         SAMSUNG SP1614C (hde)
    >         SAMSUNG SP1614C (hdg)
    >     ----------------------------------
    >
    >     KnoppMyth:
    >     ------------------------------
    >     FS:
    >         / (sdb1)
    >         swap (sdb2)
    >     ---------------------------------
    >     LVM:
    >         LVs:
    >             myth
    >         VG:
    >             VG1 (sda2, sdb3)
    >     ----------------------------------
    >     Partitions:
    >         sda
    >             sda1 (linux swap)
    >             sda2 (linux LVM)
    >         sdb
    >             sdb1 (linux)
    >             sdb2 (linux swap)
    >             sdb3 (linux LVM)
    >     ----------------------------------
    >     Disks:
    >         SAMSUNG HD300LJ (sda)
    >         SAMSUNG HD321KJ (sdb)
    >     ----------------------------------
    >
    >
    >     Tero Mäntyvaara
    >
    >
    >
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    >
    >
    > Hey,
    >   Looks like it can't find the right disks/partitions to boot from.
    > The order may be being re-arranged when you attach them all at once.
    >   Could be an issue with identification, are you using device
    paths or
    > uuid's in grub?
    >   On the subject of grub, what's your boot setup? Where is the boot
    > manager installed and what's in your menu.1st (or equiv non-grub) ?
    >   If in doubt post your /boot/grub/menu.1st
    >
    > Just a thought.
    > cheers,
    > Owen.
    Hi,

    LILO has installed in system by default. Installation target was
    /dev/md0 and I remember that there was some problems with that in
    installer. Here is also content of the lilo.conf:

    # /etc/lilo.conf - See: `lilo(8)' and `lilo.conf(5)',
    # ---------------       `install-mbr(8)', `/usr/share/doc/lilo/',
    #                       and `/usr/share/doc/mbr/'.

    # +---------------------------------------------------------------+
    # |                        !! Reminder !!                         |
    # |                                                               |
    # | Don't forget to run `lilo' after you make changes to this     |
    # | conffile, `/boot/bootmess.txt' (if you have created it), or   |
    # | install a new kernel.  The computer will most likely fail to  |
    # | boot if a kernel-image post-install script or you don't       |
    # | remember to run `lilo'.                                       |
    # |                                                               |
    # +---------------------------------------------------------------+

    # Specifies the boot device.  This is where Lilo installs its boot
    # block.  It can be either a partition, or the raw device, in which
    # case it installs in the MBR, and will overwrite the current MBR.
    #
    boot=/dev/md0

    # Specifies the device that should be mounted as root. (`/')
    #
    root=/dev/mapper/VG0-LV--root

    # This option may be needed for some software RAID installs.
    #
    raid-extra-boot=mbr-only

    # Enable map compaction:
    # Tries to merge read requests for adjacent sectors into a single
    # read request. This drastically reduces load time and keeps the
    # map smaller.  Using `compact' is especially recommended when
    # booting from a floppy disk.  It is disabled here by default
    # because it doesn't always work.
    #
    # compact

    # Installs the specified file as the new boot sector
    # You have the choice between: text, bmp, and menu
    # Look in lilo.conf(5) manpage for details
    #
    #install=menu

    # Specifies the location of the map file
    #
    map=/boot/map

    # You can set a password here, and uncomment the `restricted' lines
    # in the image definitions below to make it so that a password must
    # be typed to boot anything but a default configuration.  If a
    # command line is given, other than one specified by an `append'
    # statement in `lilo.conf', the password will be required, but a
    # standard default boot will not require one.
    #
    # This will, for instance, prevent anyone with access to the
    # console from booting with something like `Linux init=/bin/sh',
    # and thus becoming `root' without proper authorization.
    #
    # Note that if you really need this type of security, you will
    # likely also want to use `install-mbr' to reconfigure the MBR
    # program, as well as set up your BIOS to disallow booting from
    # removable disk or CD-ROM, then put a password on getting into the
    # BIOS configuration as well.  Please RTFM `install-mbr(8)'.
    #
    # password=tatercounter2000

    # Specifies the number of deciseconds (0.1 seconds) LILO should
    # wait before booting the first image.
    #
    delay=20

    # You can put a customized boot message up if you like.  If you use
    # `prompt', and this computer may need to reboot unattended, you
    # must specify a `timeout', or it will sit there forever waiting
    # for a keypress.  `single-key' goes with the `alias' lines in the
    # `image' configurations below.  eg: You can press `1' to boot
    # `Linux', `2' to boot `LinuxOLD', if you uncomment the `alias'.
    #
    # message=/boot/bootmess.txt
    #    prompt
    #    delay=100
    #    timeout=100

    # Specifies the VGA text mode at boot time. (normal, extended,
    ask, <mode>)
    #
    # vga=ask
    # vga=9
    #


    # Kernel command line options that apply to all installed images go
    # here.  See: The `boot-prompt-HOWTO' and `kernel-parameters.txt' in
    # the Linux kernel `Documentation' directory.
    #
    # append=""

    # If you used a serial console to install Debian, this option
    should be
    # enabled by default.
    # serial=

    #
    # Boot up Linux by default.
    #
    default=Linux

    image=/vmlinuz
        label=Linux
        read-only
    #    restricted
    #    alias=1

        initrd=/initrd.img

    image=/vmlinuz.old
        label=LinuxOLD
        read-only
        optional
    #    restricted
    #    alias=2

        initrd=/initrd.img.old


    # If you have another OS on this machine to boot, you can
    uncomment the
    # following lines, changing the device name on the `other' line to
    # where your other OS' partition is.
    #
    # other=/dev/hda4
    #    label=HURD
    #    restricted
    #    alias=3


    Tero Mäntyvaara


Hey,
I'm less familiar with lilo than grub, but this config file looks to only boot a single operating system. How do you choose between your two installs when they're all plugged in?

cheers,
Owen.
Hi,

this lilo.conf file I sent is ONLY for Debian boot and there is no need to boot other OSs. I choose running OS by changing the cable positions and selecting booting device from bios. ;-) My goal is to run Debian only and use the VG1 disks as a storage only.


Tero Mäntyvaara


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