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Ok, thanks for the clarification. :)
Nguyen Huu Khoi


On Wed, Jan 4, 2023 at 3:03 PM Rajat Dhasmana <rdhasman at redhat.com> wrote:

>
>
> On Wed, Jan 4, 2023 at 1:01 PM Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>
> wrote:
>
>> Thanks for the answer.
>> But I cannot find the way to configure the storage backend per AZ, Would
>> you give me some suggestions?
>>
>
> It totally depends on the deployment method you're using. It could be
> either tripleo, ansible etc and every deployment method should provide a
> way to set an availability zone for a volume backend. I'm not a deployment
> expert but a specific deployment team needs to be consulted for the same.
>
>
>> Nguyen Huu Khoi
>>
>>
>> On Wed, Jan 4, 2023 at 1:53 PM Rajat Dhasmana <rdhasman at redhat.com>
>> wrote:
>>
>>> Hi,
>>>
>>> From the description, I'm assuming the instances will be boot from
>>> volume. In that case, you will need to create a volume type for each
>>> backend and you can use 'extra_specs' properties in the volume type to
>>> assign a volume type to a particular AZ. In this case, if you're already
>>> creating one backend per AZ then a volume type linked to that backend
>>> should be good.
>>> Now you will need to create a bootable volume and launch an instance
>>> with it. Again, the instance should be launched in the AZ as used in the
>>> volume type to support your use case.
>>> Also if you want to restrict volumes of a particular AZ to be attached
>>> to the instance of the same AZ, you can use the config option
>>> *cross_az_attach*[1] which will allow/disallow cross AZ attachments.
>>> Hope that helps.
>>>
>>> [1]
>>> https://docs.openstack.org/nova/latest/configuration/config.html#cinder.cross_az_attach
>>>
>>> Thanks
>>> Rajat Dhasmana
>>>
>>> On Wed, Jan 4, 2023 at 7:31 AM Nguyễn Hữu Khôi <
>>> nguyenhuukhoinw at gmail.com> wrote:
>>>
>>>> Hello guys.
>>>> I took time to search for this question but I can't find the answer.
>>>>
>>>> I have an Openstack private cloud and I use an  AZ to a department.
>>>> For example,
>>>> AZ-IT for IT department
>>>> AZ-Sale for Sale department...
>>>>
>>>> I will prepare 2 storage backends for each AZ.
>>>>
>>>> My goal is that when users launch an instance by choosing AZ then It
>>>> will use only the backend for this AZ.
>>>>
>>>> Would Openstack support my goal?
>>>>
>>>> Thanks for reading my email.
>>>>
>>>> Nguyen Huu Khoi
>>>>
>>>
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