[Users] Ovirt in the cloud

[Itamar Heim]

On 01/16/2014 05:02 PM, Jorick Astrego wrote:
> Hi Rob,
>
> Short answer, it really depends on your provider. But generally using a
> single good provider makes life easier and cheaper.
>
> I just had a client where we failed to implement any high available vm
> platform due to the way they had set up their uplinks. We had to use an
> api to do ip address failover but even then it was not possible to move
> a subnet to a different machine. KVM/IMPI/DRAC was not possible and no
> fencing devices available. Long answer you have to think about all the
> things just like you would when building the cloud on your own hardware
>
> Things you have to consider:
>
>   * What kind of storage will you use  local/glusterfs, iSCSI SAN, NFS
>     and how will this be connected to the nodes
>   * How will you synchronize the storage between multiple
>     providers/datacenter? What kind of interconnect will you have
>     between providers? What will this cost me (not cheap!!!)?
>   * What kind of interconnect is available between nodes
>   * How will you manage ip failover between providers (BGP, multicast, ?)
>   * What kind of connection do you have between the management server
>     and the ovirt nodes (ipsec, openvpn,dedicated line,
>   * What are my SPOF's (Single Point Of Faillure)
>   * What kind of fencing devices are available
>   * Do the different providers have the same setup or is the hardware
>     different (predictability of performance)?
>   * Will you have to share infrastructure with other clients?
>   * What is your maximum acceptable failover/migration time between
>     providers?
>   * I can go on for a couple of pages
>
> Kind regards,
>
> Jorick Astrego
> Netbulae B.V.
>
>
> On Thu, 2014-01-16 at 08:44 -0500, Rob Abshear wrote:
>> Is it possible to use leased dedicated servers as ovirt nodes?  In my
>> mind it seems likely, but input from the community would be
>> appreciated.  I'm envisioning a controller node running on a dedicated
>> server leased from a provider and multiple compute nodes running on
>> several different providers spread out over the net.  I don't require
>> any migration capability for the purposes of this.  I manage a large
>> farm of servers, and if this works like I think it would, I believe it
>> would speed up deployment of new servers and also provide a better
>> central management platform.  If this is possible, what would be the
>> requirements, pitfalls, etc.?  Thanks in advance.
>>
>
>
>
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if using single hosts in each site, only local storage seems relevant 
(which is supported by ovirt - you can have a single ovirt engine 
managing mulitple remote clusters. a "cluster" could be a single host 
with local storage.