On 03/24/2015 03:17 PM, Deepak Shetty wrote: > For eg: Look at [1] > [1] https://github.com/stackforge/devstack-plugin-glusterfs/blob/master/devstack/settings > I would like ability to change these while I use the enable_plugin > apporach to setup devstack w/ GlusterFS per my local glusterfs setup So I think the plugin should do CINDER_ENABLED_BACKENDS=${CINDER_ENABLED_BACKENDS:-glusterfs:glusterfs,lvm:lvm1} i.e. provide a default only if the variable is unset. This seems like one of those "traps for new players" and is one concern I have with devstack plugins -- that authors keep having to find out lessons learned independently. I have added a note on this to the documentation in [1]. -i [1] https://review.openstack.org/#/c/167375/