Matt Crees 618d056369 Correct glance.conf example in external Ceph guide
Under the Glance section of the external Ceph guide, to enable
copy-on-write the config heading should be ``[DEFAULT]``, rather than
``[GLOBAL]``. For reference, see the Glance docs:
https://docs.openstack.org/glance/latest/configuration/glance_api.html#DEFAULT.show_image_direct_url

Closes-Bug: #2017643
Change-Id: I2d77e01637ecae0bd10319eac4bc75340dd6f61f
2023-07-17 22:14:36 +02:00
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