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Cloning a Linux Server - Linux Setup, Configuration & Administration

We currently have a web server, running apache/tomcat and want to replace it with a higher spec machine, we would normally use Norton Ghost to make an image but the problem I have in this instance is Current machine is Single CPU machine, with IDE disks New machine is Dual processor, with SCSI disks Can somebody point me in the right direction as to the best way to achive this Many Thanks GC...

  1. #1

    Default Cloning a Linux Server

    We currently have a web server, running apache/tomcat and want to replace it
    with a higher spec machine, we would normally use Norton Ghost to make an
    image but the problem I have in this instance is

    Current machine is Single CPU machine, with IDE disks
    New machine is Dual processor, with SCSI disks

    Can somebody point me in the right direction as to the best way to achive
    this

    Many Thanks

    GC


    Gordon Chapman Guest

  2. #2

    Default Re: Cloning a Linux Server

    Timo Voipio wrote:
    > Gordon Chapman wrote:
    >
    >> Current machine is Single CPU machine, with IDE disks
    >> New machine is Dual processor, with SCSI disks
    >>
    >> Can somebody point me in the right direction as to the best way to achive
    >> this
    >
    >
    > The way I'd do it:
    >
    > 1. Get kernel source, compile for the new machine (on the old one).
    > 2. make install
    > 3. lilo, set the new kernel as default
    > 4. DON'T reboot.
    > 5. Use mondo ([url]http://www.mondorescue.com/[/url])
    Boot the new box from a linux rescue CD of your choice.

    Build your new SCSI filesystems as you wish.

    Allow tar/rsh, tar/ssh, rsync, rsync/rsh, rsync/ssh, or whatever is
    available from the rescue CD, to use your local network to transmit the
    live system image to the target machine and overlay it on your new
    mounted filesystems. Or stuff it onto a CD and mount that.

    Edit your new /etc/fstab appropriately for your new OS.

    Update your lilo.conf or grub.conf to create a new MBR wherever you want.

    Reboot and take out the CD.

    Nico Kadel-Garcia Guest

  3. #3

    Default Re: Cloning a Linux Server

    Timo Voipio <oh_hamihotmail.com> wrote in message news:<biiid6$9gen7$1ID-106564.news.uni-berlin.de>...
    > Gordon Chapman wrote:
    >
    > > Current machine is Single CPU machine, with IDE disks
    > > New machine is Dual processor, with SCSI disks
    > >
    > > Can somebody point me in the right direction as to the best way to achive
    > > this
    >
    > The way I'd do it:
    >
    > 1. Get kernel source, compile for the new machine (on the old one).
    > 2. make install
    > 3. lilo, set the new kernel as default
    > 4. DON'T reboot.
    > 5. Use mondo ([url]http://www.mondorescue.com/[/url])
    >
    > HTH,
    >
    > -Timo
    Indeed.

    I would add, however, that if you are doing this a lot it may be worth
    your while just turning everything on as a module. This way you have a
    kernel that works with anything. 1 image that fits all! :)
    Xyerp Guest

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