Red Hat ENTERPRISE LINUX 5 - VIRTUALIZATION GUIDE Guide d'installation télécharger pdf (Page 269)

Disp layin g g u est n et wo rk d evice in f o rmat io n

Use virsh domifstat to display network interface statistics for a running guest.

# virsh domifstat GuestName interface-device

Mig rat in g g u est s wit h virsh

A guest can be migrated to another host with virsh. Migrate domain to another host. Add --live for

live migration. The migrate command accepts parameters in the following format:

# virsh migrate --live GuestName DestinationURL

The --live parameter is optional. Add the --live parameter for live migrations.

The GuestName parameter represents the name of the guest which you want to migrate.

The DestinationURL parameter is the URL or hostname of the destination system. The destination

system requires:

the same version of Red Hat Enterprise Linux,

the same hypervisor (KVM or Xen), and

the libvirt service must be started.

Once the command is entered you will be prompted for the root password of the destination system.

Man ag in g virt ual n et wo rks

This section covers managing virtual networks with the virsh command. To list virtual networks:

# virsh net-list

This command generates output similar to:

# virsh net-list

Name State Autostart

-----------------------------------------

default active yes

vnet1 active yes

vnet2 active yes

To view network information for a specific virtual network:

# virsh net-dumpxml NetworkName

This displays information about a specified virtual network in XML format:

# virsh net-dumpxml vnet1

<dhcp>

⁠Chapt er 2 6 . Man aging guest s wit h virsh

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Red Hat ENTERPRISE LINUX 5 - VIRTUALIZATION GUIDE Guide d'installation Page 269