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Good afternoon Armando,

Thanks a lot for you're answer. 

Yes basically I want to setup a virtual housing service in the way you can create a machine in sas or sata storage for example. If each nova-compute should point to just one sr (storage kind) of xcp it would be one or the other one (in this example... sas or sata)... Ok then. So you mean the right way of doing this with Openstack is to basically have different nova-computes pointing to different sr and sharing the other properties... Have I understand properly??


In the last two paragraph I assume you're just talking about load balancing... Isn't it?? 

Very thankful for you're time.
Regards,

Egoirz Aurrekoetxea Aurre
egoitz at ramattack.net
Sent from my smartphone

El 02/11/2012, a las 18:47, Armando Migliaccio <amigliaccio at internap.com> escribió:

> Hi,
> 
> If I understand your request correctly, say you have two storage backends with different QoS and you want to use both of them in your OpenStack/XCP deployment, what you can do is:
> 
> 1) create SR1 for XCP1 that maps to storage array at QoS1
> 1a) configure the compute domU for XCP1 to point to SR1, by specifying sr_matching_filter in your nova.conf accordingly.
> 2) create SR2 for XCP2 that maps to storage array at QoS2
> 2a) configure the compute domU for XCP2 to point to SR2, by specifying sr_matching_filter in your nova.conf accordingly.
> 
> You can find more details here:
> 
> http://wiki.openstack.org/XenServer/NovaFlags
> 
> Obviously this can be extended to multiple nodes; then you can use the CLI/scheduler filters to redirect the create request to the right host.
> 
> That is one way, but there are a few others like  or compute extra capabilities (Essex) or general host aggregates (Folsom+)
> 
> Hope this helps,
> Armando
> 
> On Fri, Nov 2, 2012 at 9:34 AM, Egoitz Aurrekoetxea Aurre <egoitz at ramattack.net> wrote:
>> Or unless… If I had to use forcibly the same storage…. for all vm provisioned in a single nova-compute…. is it anyway of saying Openstack to create a vm in a nova-compute or another one… depending on the storage attached to the nova-compute's dom0??
>> 
>> 
>> El 02/11/2012, a las 10:25, Egoitz Aurrekoetxea Aurre <egoitz at ramattack.net> escribió:
>> 
>> > Good morning,
>> >
>> > Perhaps I have not explained properly…. I have different IBM arrays whose disks are disks of different speeds… and wanted to have the possibility of provisioning vm on different speed storages for example…. Could this be possible??… I'm using XCP (1.5, 1.1 and 1.6 versions so I could test it in all of them)… Anne the link you provided me, although has important information… does not answer my question… Sorry…
>> >
>> > Best regards,
>> >
>> >
>> > El 01/11/2012, a las 15:35, Anne Gentle <anne at openstack.org> escribió:
>> >
>> >> Hi Egoitz -
>> >> This topic would probably help answer your question:
>> >>
>> >> http://docs.openstack.org/trunk/openstack-compute/install/yum/content/terminology-storage.html
>> >>
>> >> Anne
>> >>
>> >> On Wed, Oct 31, 2012 at 4:29 PM, Egoitz Aurrekoetxea Aurre
>> >> <egoitz at ramattack.net> wrote:
>> >>> Good night,
>> >>>
>> >>> Could anyone know if it's possible to use different nfs servers or different
>> >>> storages for launching instances in Openstack? Anyone knows about this
>> >>> please?
>> >>>
>> >>> Best regards,
>> >>>
>> >>> Egoirz Aurrekoetxea Aurre
>> >>> egoitz at ramattack.net
>> >>> Sent from my smartphone
>> >>>
>> >>> El 29/10/2012, a las 16:13, Egoitz Aurrekoetxea Aurre <egoitz at ramattack.net>
>> >>> escribió:
>> >>>
>> >>> Good afternoon,
>> >>>
>> >>> Is it possible for Nova to deploy vm in different storages?? rather than
>> >>> just use the storage which matches sr_matching_filter parameter??
>> >>>
>> >>> Best regards,
>> >>>
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>> >
>> >
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>> 
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