[Openstack] Multiple cinder lvm nodes

John Griffith john.griffith at solidfire.com
Sun Apr 5 20:42:59 UTC 2015


On Sun, Apr 5, 2015 at 2:42 PM, John Griffith <john.griffith at solidfire.com>
wrote:

>
> 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
>

Err... that should say "same" backend name.


> 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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