openstack-ansible/releasenotes/notes/base-container-lvm-cow-2faa...

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---
features:
- The container cache preparation process now allows ``copy-on-write`` to be
set as the ``lxc_container_backing_method`` when the
``lxc_container_backing_store`` is set to ``lvm``. When this is set a base
container will be created using a name of the form
`<linux-distribution>`-`distribution-release>`-`<host-cpu-architecture>`.
The container will be stopped as it is not used for anything except to be
a backing store for all other containers which will be based on a snapshot
of the base container.
- When using copy-on-write backing stores for containers, the base container
name may be set using the variable ``lxc_container_base_name`` which
defaults to
`<linux-distribution>`-`distribution-release>`-`<host-cpu-architecture>`.