Update cinder docs with some lvm info

* Instruct the user that the VG needs to be on the storage nodes
* enable_cinder_backend_lvm needs to be enabled when following this
  guide.

Change-Id: I252ec98c98493705417aaf197f703957cce8528f
This commit is contained in:
Paul Bourke 2017-02-24 17:56:42 +00:00 committed by Paul Bourke (pbourke)
parent 0883d34d4a
commit 159feffa37

View File

@ -30,8 +30,9 @@ a real physical volume or a loopback mounted file for development.
Create a Volume Group
=====================
Use ``pvcreate`` and ``vgcreate`` to create the volume group. For example
with the devices ``/dev/sdb`` and ``/dev/sdc``:
When using the ``lvm`` backend, a volume group will need to be created on each
storage node. Use ``pvcreate`` and ``vgcreate`` to create the volume group. For
example with the devices ``/dev/sdb`` and ``/dev/sdc``:
::
@ -50,6 +51,12 @@ system. ::
pvcreate /dev/loop2
vgcreate cinder-volumes /dev/loop2
Enable the ``lvm`` backend in ``/etc/kolla/globals.yml``:
::
enable_cinder_backend_lvm: "yes"
Validation
==========