diff --git a/doc/admin-guide-cloud/compute/section_compute-configure-migrations.xml b/doc/admin-guide-cloud/compute/section_compute-configure-migrations.xml index 8a9ac8d3f4..4acf4d0776 100644 --- a/doc/admin-guide-cloud/compute/section_compute-configure-migrations.xml +++ b/doc/admin-guide-cloud/compute/section_compute-configure-migrations.xml @@ -276,15 +276,18 @@ HostA: 921515008 101921792 772783104 12% /var/lib/nova/instances
Enabling true live migration - By default, the Compute service does not use the libvirt live - migration function. To enable this function, add the following line to - the nova.conf file: + Prior to the Kilo release, the Compute service did not use the + libvirt live migration function by default. To enable this + function, add the following line to the + [libvirt] section of the + nova.conf file: - live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE, VIR_MIGRATE_TUNNELLED - The Compute service does not use libvirt's live migration by - default because there is a risk that the migration process will never - end. This can happen if the guest operating system uses blocks on the - disk faster than they can be migrated. + live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE,VIR_MIGRATE_TUNNELLED + On versions older than Kilo, the Compute service does not use + libvirt's live migration by default because there is a risk that + the migration process will never end. This can happen if the guest + operating system uses blocks on the disk faster than they can be + migrated.