openstack/openstack-ansible-ops
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MNAIO: Update README to include using the file-based backing store

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Using the file-based backing store is currently undocumented. This
patch updates the README to include instructions for using it.

Change-Id: I228171b6619512874aece46f705ee1a922610cd5
This commit is contained in:
Jesse Pretorius 2018-06-26 09:46:10 +01:00
parent 1e845e8d20
commit 67c0746b71
1 changed files with 12 additions and 0 deletions
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12
multi-node-aio/README.rst
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@ -246,3 +246,15 @@ command or the following bash loop to restore everything to a known point.
for instance in $(virsh list --all --name); do
virsh snapshot-revert --snapshotname $instance-kilo-snap --running $instance
done
Using a file-based backing store with thin-provisioned VM's
-----------------------------------------------------------
If you wish to use a file-based backing store (instead of the default LVM-based
backing store) for the VM's, then set the following option before executing
``build.sh``.
.. code-block:: bash
export MNAIO_ANSIBLE_PARAMETERS="-e default_vm_disk_mode=file"
./build.sh