openstack/kolla
Code Issues Proposed changes

Notify operators that cinder + LVM doesn't work

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Cinder has closed a flaw in the design of either glance, cinder, or
OpenStack in general.  Whatever the case is, LVM + multi-controller
doesn't work correctly.

TrivialFix

Change-Id: Ibe3445699cfdb1622279a85b6c4e612663d08def
This commit is contained in:
Steven Dake 2016-06-21 09:01:09 -07:00
parent bb2ac5f6f9
commit 2d37c4ca88
1 changed files with 10 additions and 0 deletions
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10
doc/cinder-guide.rst
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@ -18,6 +18,16 @@ The cinder implementation defaults to using LVM storage. The default
implementation requires a volume group be set up. This can either be
a real physical volume or a loopback mounted file for development.
.. note ::
The Cinder community has closed a bug as WontFix which makes it
impossible for LVM to be used at all in a multi-controller setup.
The only option for multi-controller storage to work correctly at
present is via a Ceph deployment. If community members disagree
with this decision, please report the specific use case in the
Cinder bug tracker here:
`_bug 306756 <https://launchpad.net/bugs/306756>`__.
Create a Volume Group
=====================
Use ``pvcreate`` and ``vgcreate`` to create the volume group. For example