Comment 2 for bug 1214816

Reviewed: https://review.openstack.org/48984
Committed: http://github.com/openstack/openstack-manuals/commit/09685f57a68b0cc883045211481c14bf25485ab8
Submitter: Jenkins
Branch: master

commit 09685f57a68b0cc883045211481c14bf25485ab8
Author: Tom Fifield <email address hidden>
Date: Mon Sep 30 19:10:39 2013 +0400

    doc xen support for auto_disk_config=disabled

    Previously, only True and False were supported. Havana changed to
    allows an administrator to specify which images should reject
    any user requests for auto config.

    Also fix an incorrect statement that auto_disk_config was a nova.conf
    variable - it is instead a property set on an image in glance.

    Change-Id: I32a09ce1258893388d31ca2c1704e57d23ceff97
    Closes-Bug: 1214816