Updated multi-region docs to include keepalived

The keepalived_virtual_router_id should be changed from the default in
the case of a multi-region deployment where the VIP of the different
regions resides on the same subnet.

This is not immediately clear - this change should make it more obvious.

Change-Id: Ia4899ba407937d9f27832c9d123701729e89987a
This commit is contained in:
Raimund Hook 2019-07-18 10:53:04 +01:00
parent efa9819b18
commit 99463849eb
2 changed files with 10 additions and 0 deletions
doc/source/user
etc/kolla

@ -79,6 +79,14 @@ the value of ``kolla_internal_fqdn`` in RegionOne:
project_name: "admin"
domain_name: "default"
.. note::
If the ``kolla_internal_vip_address`` and/or the
``kolla_external_vip_address`` reside on the same subnet as
``kolla_internal_fqdn_r1``, you should set the
``keepalived_virtual_router_id`` value in the ``/etc/kolla/globals.yml``
to a unique number.
Configuration files of cinder,nova,neutron,glance... have to be updated to
contact RegionOne's Keystone. Fortunately, Kolla allows you to override all
configuration files at the same time thanks to the

@ -122,6 +122,8 @@
# keepalived options
####################
# Arbitrary unique number from 0..255
# This should be changed from the default in the event of a multi-region deployment
# where the VIPs of different regions reside on a common subnet.
#keepalived_virtual_router_id: "51"
###################