[Openstack] Multiple cinder lvm nodes

John Griffith john.griffith at solidfire.com
Sun Apr 5 20:42:14 UTC 2015


On Apr 5, 2015 2:10 PM, "mad Engineer" <themadengin33r at gmail.com> wrote:

> Read about cinder multi backend support,for using different backend types.
> I have 2 servers for running as lvm+iscsi back ends.
> Is it possible to use these 2 lvm backend nodes for same volume type and
> schedule block drives between these for that volume type.
> So that volumes will be distributed between these 2 nodes.
>
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For sure, if you create without a type specification the weight filter just
places based on available capacity among the backends you configured.  You
can also have an LVM type with no backend name
, so you would just
 weigh between LVM backend
s
.  That's actually the default example shown here
:
https://wiki.openstack.org/wiki/Cinder-multi-backend
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