第 8 章 Shutting down and restarting virtual machines

• Shutting down a responsive VM:

  • If you are connected to the guest, use a shutdown command or a GUI element appropriate to the guest operating system.

    注意

    In some environments, such as in Linux guests that use the GNOME Desktop, using the GUI power button for suspending or hibernating the guest might instead shut down the VM.

  • Alternatively, use the virsh shutdown command on the host. If the VM is on a local host:

    # virsh shutdown demo-guest1
    Domain 'demo-guest1' is being shutdown

    If the VM is on a remote host, in this example 192.0.2.1:

    # virsh -c qemu+ssh://root@192.0.2.1/system shutdown demo-guest1
    
    root@192.0.2.1's password:
    Domain 'demo-guest1' is being shutdown

• To force a VM to shut down, for example if it has become unresponsive, use the virsh destroy command on the host:

  # virsh destroy demo-guest1
  Domain 'demo-guest1' destroyed

  注意

  The virsh destroy command does not actually delete or remove the VM configuration or disk images. It only terminates the running instance of the VM, similarly to pulling the power cord from a physical machine.

  In rare cases, virsh destroy may cause corruption of the VM’s file system, so use this command only if all other shutdown methods have failed.

Verification

• On the host, display the list of your VMs to see their status.

  # virsh list --all
  
   Id    Name                 State
  ------------------------------------------
   1     demo-guest1          shut off