[Openstack] Multiple cinder lvm nodes

Vijay Kakkar vijaykakkars at gmail.com
Mon Apr 6 07:25:41 UTC 2015


Is there any limit as well for LVM backends ?

On Mon, Apr 6, 2015 at 2:12 AM, John Griffith <john.griffith at solidfire.com>
wrote:

>
>
> 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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Regards,

*Vijay Kakkar - RHC{E,SS,VA,DS,A,I,X}*

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