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Help make a non-standard boot-disk for RH7.2 - Linux Setup, Configuration & Administration

Hi, I have a dual-PPro PC controlling the CCD camera at the telescope. Pretty old machine, but more-than-enough for the purpose (mainly due to the dual-CPU). It is running RH7.2. Recently the machine went through a hard disk failure which was *very* unpleasant (the telescope is in a remote site, "typical user" has no idea about system reinstalling etc., so we lost many nigths before it was fixed). To avoid such problems in the future, I've installed two hard disks and prepared copies of / and /usr partitions on the second disk (with apropriate changes in /etc/fstab etc.) Now I ...

  1. #1

    Default Help make a non-standard boot-disk for RH7.2

    Hi,

    I have a dual-PPro PC controlling the CCD camera at the telescope.
    Pretty old machine, but more-than-enough for the purpose (mainly
    due to the dual-CPU). It is running RH7.2.

    Recently the machine went through a hard disk failure which was *very*
    unpleasant (the telescope is in a remote site, "typical user" has no idea
    about system reinstalling etc., so we lost many nigths before it was
    fixed).

    To avoid such problems in the future, I've installed two hard disks and
    prepared copies of / and /usr partitions on the second disk (with
    apropriate changes in /etc/fstab etc.)

    Now I need to make a boot-floppy which would boot the Linux from the
    second HDD (connected as "hdc") in case of the first disk's failure,
    without having to open the computer and change any cables inside.

    Any hints how to prepare such a "non-standard" boot-floppy would be
    highly appreciated.

    regards, Michal.

    --
    Michal Szymanski (mszastrouw.edu.pl)
    Warsaw University Observatory, Warszawa, POLAND
    Michal Szymanski Guest

  2. #2

    Default Re: Help make a non-standard boot-disk for RH7.2

    Michal Szymanski wrote:
    > Hi,
    >
    > I have a dual-PPro PC controlling the CCD camera at the telescope.
    > Pretty old machine, but more-than-enough for the purpose (mainly
    > due to the dual-CPU). It is running RH7.2.
    >
    > Recently the machine went through a hard disk failure which was *very*
    > unpleasant (the telescope is in a remote site, "typical user" has no idea
    > about system reinstalling etc., so we lost many nigths before it was
    > fixed).
    >
    > To avoid such problems in the future, I've installed two hard disks and
    > prepared copies of / and /usr partitions on the second disk (with
    > apropriate changes in /etc/fstab etc.)
    >
    > Now I need to make a boot-floppy which would boot the Linux from the
    > second HDD (connected as "hdc") in case of the first disk's failure,
    > without having to open the computer and change any cables inside.
    >
    > Any hints how to prepare such a "non-standard" boot-floppy would be
    > highly appreciated.
    >
    > regards, Michal.
    Can you save yourself the grief and use a RAID controller to simply
    mirror the two drives? It might be considerably easier to do, and more
    reliable since you don't have to maintain the second drive.

    Nico Kadel-Garcia Guest

  3. #3

    Default Re: Help make a non-standard boot-disk for RH7.2

    begin On Fri, 01 Aug 2003 08:20:24 +0000, Michal Szymanski wrote:
    > Any hints how to prepare such a "non-standard" boot-floppy would be
    > highly appreciated.
    Just create the "standard" boot-floppy and edit the syslinux.cfg or the
    isolinux.cfg file. If you want you can create a menu to boot either of the
    two drives, edit the boot.msg or bootmsg.txt file for the choices.

    Samples below;

    syslinux.cfg or isolinux.cfg file;

    ----Cut below this line----

    default 0
    prompt 1
    display boot.msg
    timeout 200
    label 0
    kernel vmlinuz
    append initrd=initrd.img ro root=/dev/hda2
    label 1
    kernel vmlinuz
    append initrd=initrd.img ro root=/dev/hdc2

    ----Cut above this line----

    boot.msg or bootmsg.txt file;

    ----Cut below this line ------


    Linux Multi-Boot Floppy Disk

    Boot Selections Menu

    0 Boot Using the Main Hard Drive

    1 Boot Using the Backup Hard Drive

    Press the Number Key to Make Your Choice
    Or wait 20 seconds for the Main Hard Drive



    ---Cut above this line----


    --
    end
    There's no attachment here, your reader is broken by Microsoft's choice!!
    [url]http://support.microsoft.com/default.aspx?scid=kb;EN-US;q265230[/url]


    Lenard Guest

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