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Functional Principle of the Fogserver

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FOG Problems
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  • _
    _Devilnoc
    last edited by Apr 21, 2012, 7:52 PM

    Hello,

    my first Entry. First to me, my name is Daniel, i’m 20 from Germany and i work as a computer scientist. Im starting to use Fogproject.
    Now to my question. Can you tell me stept by step how fogserver works, if the client pulls an image?
    I think this way:
    (Task is already active)

    1. Client is booting (NIC) (PXE)
    2. Client got IP from DHCP
    3. Fog detect MAC from Client and releases the active task
    4. Small linux-client starts on client
    5. Client communicate with Fogserver over NFS ?
    6. Client got Image over (T)FTP
    7. Complete

    Is this the right explanation?
    Tranks ahed!

    MFG
    _Devilnoc

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    • _
      _Devilnoc
      last edited by Apr 22, 2012, 5:47 PM

      Somebody out there?

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      • J
        Jtb
        last edited by Apr 25, 2012, 12:11 AM

        No, it’s not correct…

        1. Client is booting with PXE:
          1.1. bootp
          1.2. download kernel + initrd over tftpd
          1.3. booting kernel + initrd
        2. kernel does dhcp request (no userspace dhcp!)
        3. kernel starts init
        4. init starts up services
        5. init starts fog-script
        6. fog-script collects some info and contacts server
        7. fog-script run task according to info from server
          8a) unicast: image over nfs
          8b) multicast: image over udpcast
        8. Client reports result to server and reboots

        Jens

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