openstack team mailing list archive

[Armando Migliaccio <amigliaccio@xxxxxxxxxxxx>]

Egoirz,

On Fri, Nov 2, 2012 at 6:29 PM, Egoitz Aurrekoetxea Aurre <
egoitz@xxxxxxxxxxxxx> wrote:

> 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??
>

That's not exactly what I meant, especially in relation to what is _right_
in OpenStack; I was providing input in relation to the use of the flag you
mentioned.

Actually, if you want to support storage at different levels of QoS, Cinder
is another project worth looking at.

http://wiki.openstack.org/Cinder

A.


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

Where did you get that? No I wasn't ;)


>
> Very thankful for you're time.
> Regards,
>
> Egoirz Aurrekoetxea Aurre
> egoitz@xxxxxxxxxxxxx
> Sent from my smartphone
>
> El 02/11/2012, a las 18:47, Armando Migliaccio <amigliaccio@xxxxxxxxxxxx>
> 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@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx
>> >>> Sent from my smartphone
>> >>>
>> >>> El 29/10/2012, a las 16:13, Egoitz Aurrekoetxea Aurre <
>> egoitz@xxxxxxxxxxxxx>
>> >>> 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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>
>