VMmanager 6: Administrator guide

Creating a disk image

ISPSystem

A user image is a virtual machine disk image that is used for creating new virtual machines or as a backup copy. There are two ways to create a new image.

Note

Image files are created in the /tmp temporary directory on the server with VMmanager, and then moved to the image storage directory (by default - /images). Before creating an image, make sure that there is enough free space on the hard disk of the VMmanager server.

Note

When creating a user image, the /home directory will be deleted from it.

Creating from the list of images


Follow the steps below:

  1. Go to Templates → User images → Add.
  2. Select a Virtual machine to create a copy of its disk.
    The New image name will be generated automatically in the following format: <virtual machine name>_<current time in UNIX format>.
  3. Add Notes if needed.
  4. Select an Image owner.
  5. Select the users who can Access the newly created image: Owner or All.
  6. Click Create and Restart. VMmanager will restart the virtual machine.

Creating from the list of virtual machines or from a virtual machine page


Follow the steps below:

  1. Go to Virtual machines →  menu → Create VM image or go to a virtual machine page → menu → Create VM image.
  2. Specify the New image name.
  3. Add Notes if needed.
  4. Select an Image owner.
  5. Select the users who can Access the newly created image: Owner or All.
  6. Click Create and Restart. VMmanager will restart the virtual machine.

Note

Any network setting used on the current virtual machine will not be transferred to the image of a new VM. It only remembers the number of IP addresses used. New available IPs will be assigned to a new virtual machine after it has been created from an image.

Managing images


In the cluster node card you can manage the created images. Possible actions:

  • copy the image to another cluster node;
  • migrate (move) the image to another cluster node;
  • delete the image.

To manage images, enter Nodes → select the node → Disk spaceVM images → select the images → select the action (delete, copy, migrate). When copying or migrating, specify to which cluster you want to copy or migrate the image.

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