Few Open Questions: Openstack vs Proprietary cloud stacks

Thomas Goirand zigo at debian.org
Tue Jun 21 13:45:35 UTC 2022

On 6/21/22 08:59, KK CHN wrote:
> List,
> Very recently  I came across a discussion with a banking corporation who 
> are  heavy users of VMware in all their Data Centre operations ..
> They asked me a  lot of questions in comparison with openstack vs other 
> proprietary vendors (such as  VMware.   ).
> As I am promoting OpenStack  I need to clarify these questions raised by 
> the organization.
> I request your inputs for these queries .
> 1. Does OpenStack  support Hyper Converged Infrastructure ?
> Or any HCI vendors already  with OpenStack solutions? Please share the 
> URL/link of case studies of OpenStack HCI.
> Any documentation/Reference  to install openstack as HCI solution  with 
> supported H/W OEM details . I can try out ...

OpenStack does, as you are free to deploy the way you want. However, 
from my point of view, this is a bad idea: it's hard to get guaranteed 
I/O if you mix Ceph OSD and compute roles.

> 4. Does OpenStack new versions support VDI(Virtual Desktop 
> Infrastructure) solutions out of the box.? pls give a reference link / 
> url for the same.

Yes. 2 ways to do it: give a full PCI device to your instance, or use 
virtualized GPU. Nova can do both.

> 8. Tools to maintain multiple OpenStack Cluster


> any concept of Supervisory cluster available

I don't know what that is (and many of the VMWare concept you mentioned 
but I didn't quote).

I hope the above helps.


Thomas Goirand (zigo)

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