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virtinst - Programs to create and clone virtual machines…  more info»


VIRT-CLONE(1)       Virtual Machine Install Tools      VIRT-CLONE(1)

       virt-clone - clone existing virtual machine images

       virt-clone [OPTION]...

       virt-clone is a command line tool for cloning existing
       virtual machine images using the "libvirt" hypervisor
       management library. It will copy the disk images of any
       existing virtual machine, and define a new guest with an
       identical virtual hardware configuration. Elements which
       require uniqueness will be updated to avoid a clash between
       old and new guests.

       By default, virt-clone will show an error if the necessary
       information to clone the guest is not provided. The
       --auto-clone option will generate all needed input, aside
       from the source guest to clone. An interactive mode is
       available with the --prompt option, but this will only ask
       for the minimum required options.

       Most options are not required. Minimum requirements are
       --original or --original-xml (to specify the guest to clone),
       --name, and appropriate storage options via -file.

       -h, --help
           Show the help message and exit

           Connect to a non-default hypervisor. See virt-install(1)
           for details

   General Options
       General configuration parameters that apply to all guest

         Name of the original guest to be cloned. This guest must be
         shut off or paused since it is not possible to safely clone
         active guests at this time.

         Libvirt guest xml file to use as the original guest. The
         guest does not need to be defined on the libvirt
         connection. This takes the place of the "--original"

         Generate a new guest name, and paths for new storage.

         An example or possible generated output:

           Original name        : MyVM
           Generated clone name : MyVM-clone

           Original disk path   : /home/user/foobar.img
           Generated disk path  : /home/user/foobar-clone.img

         If generated names collide with existing VMs or storage, a
         number is appended, such as foobar-clone-1.img, or

       -n NAME, --name=NAME
         Name of the new guest virtual machine instance. This must
         be unique amongst all guests known to the hypervisor
         connection, including those not currently active.

       -u UUID, --uuid=UUID
         UUID for the guest; if none is given a random UUID will be
         generated. If you specify UUID, you should use a 32-digit
         hexadecimal number. UUID are intended to be unique across
         the entire data center, and indeed world. Bear this in mind
         if manually specifying a UUID

   Storage Configuration
       -f DISKFILE, --file=DISKFILE
         Path to the file, disk partition, or logical volume to use
         as the backing store for the new guest's virtual disk. If
         the original guest has multiple disks, this parameter must
         be repeated multiple times, once per disk in the original
         virtual machine.

         Force cloning the passed disk target ('hdc', 'sda', etc.).
         By default, "virt-clone" will skip certain disks, such as
         those marked 'readonly' or 'shareable'.

         Fully allocate the new storage if the path being cloned is
         a sparse file.  See virt-install(1) for more details on
         sparse vs. nonsparse.

         No storage is cloned: disk images specific by --file are
         preserved as is, and referenced in the new clone XML. This
         is useful if you want to clone a VM XML template, but not
         the storage contents.

   Networking Configuration
       -m MAC, --mac=MAC
         Fixed MAC address for the guest; If this parameter is
         omitted, or the value "RANDOM" is specified a suitable
         address will be randomly generated. Addresses are applied
         sequentially to the networks as they are listed in the
         original guest XML.

   Miscellaneous Options
       -d, --debug
         Print debugging information to the terminal when running
         the install process.  The debugging information is also
         stored in "$HOME/.virtinst/virt-clone.log" even if this
         parameter is omitted.

         Prevent interactive prompts. If the intended prompt was a
         yes/no prompt, always say yes. For any other prompts, the
         application will exit.

         Specifically enable prompting for required information.
         Default prompting is off.

       Clone the guest called "demo" on the default connection, auto
       generating a new name and disk clone path.

         # virt-clone \
              --original demo \

       Clone the guest called "demo" which has a single disk to copy

         # virt-clone \
              --original demo \
              --name newdemo \
              --file /var/lib/xen/images/newdemo.img

       Clone a QEMU guest with multiple disks

         # virt-clone \
              --connect qemu:///system \
              --original demo \
              --name newdemo \
              --file /var/lib/xen/images/newdemo.img \
              --file /var/lib/xen/images/newdata.img

       Clone a guest to a physical device which is at least as big
       as the original guests disks. If the destination device is
       bigger, the new guest can do a filesystem resize when it

         # virt-clone \
              --connect qemu:///system \
              --name demo \
              --file /dev/HostVG/DemoVM \
              --mac 52:54:00:34:11:54

       Written by Kazuki Mizushima, and a team of many other
       contributors. See the AUTHORS file in the source distribution
       for the complete list of credits.

       Please see

       Copyright (C) Fujitsu Limited 2007, and various contributors.
       This is free software. You may redistribute copies of it
       under the terms of the GNU General Public License
       "". There is NO WARRANTY,
       to the extent permitted by law.

       virsh(1), "virt-install(1)", "virt-manager(1)", the project
       website ""

                             2010-03-03                VIRT-CLONE(1)
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