[openstack-dev] [Ironic] Baremetal Storage Service?

Akira Yoshiyama akirayoshiyama at gmail.com
Tue Nov 15 03:22:36 UTC 2016

Hi Jay,

Thank you for your comments.

2016-11-14 2:19 GMT+09:00 Jay Pipes <jaypipes at gmail.com>:
> On 11/13/2016 01:52 AM, Akira Yoshiyama wrote:
>> Hi Jay,
>> 2016-11-13 3:12 GMT+09:00 Jay Pipes <jaypipes at gmail.com>:
>>> On 11/12/2016 09:31 AM, Akira Yoshiyama wrote:
>>>> Hi Stackers,
>>>> In TripleO, Ironic provides physical servers for an OpenStack
>>>> deployment but we have to configure physical storages manually, or
>>>> with any tool, if required. It's better that an OpenStack service
>>>> manages physical storages as same as Ironic for servers.
>>>> IMO, there are 2 plans to manage physical storages:
>>> When you say "manage physical storage" are you referring to configuring
>>> something like Ceph or GlusterFS or even NFS on a bunch of baremetal
>>> servers?
>> No. "physical storages" means storage products like EMC VNX, NetApp
>> Data ONTAP, HPE Lefthand and so on.
>> Say there is a new service named X to manage them. A user, he/she will
>> be a new IaaS admin, requests many baremetal servers to Ironic and
>> some baremetal storages to X. After they are provided, he/she will
>> start to build a new OpenStack deployment with them. Nova in the new
>> one will provide VMs on the servers and Cinder will manage logical
>> volumes on the storages. X doesn't manage each logical volume but
>> pools, user accounts and network connections of the storages.
> Yeah, I personally believe that is the domain of configuration management
> systems not OpenStack HTTP API services. What you are describing is not a
> multi-tenant HTTP API service, it's an IT/storage admin automation tool.
> Incidentally, Ironic isn't multi-tenant either. It lives in the weird land
> in OpenStack of being an HTTP API service that isn't meant for "normal
> users" so in order to provider a cloud service (BareMetal-as-a-Service),
> Ironic *requires* Nova to provide the multi-tenancy aspects of the
> "as-a-Service" part of the software.

Hmm... so, if I built a (multi-tenant) baremetal IaaS service like SoftLayer
with OpenStack Newton release, tenant users can deploy an OpenStack
environment with cinder using SDS on it. No physical storages.

> Ironic is great, of course, but it ain't a cloud service without help from
> Nova.
> Best,
> -jay

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