Open Stack

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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