[Users] Questions about oVirt and possible API bug

[Itamar Heim]

On 04/04/2012 05:15 AM, Andrey Falko wrote:
> Hi everyone,
>
> One of the requirements behind the system that I am attempting to build
> is that there should be no local storage.

i didn't understand if you don't want to use local storage but trying to 
use it?

 >  I’ve noticed that I cannot add
> local storage hosts to the same datacenter and cluster. It seems awkward
> to have a 1:1:1 ratio of datacenter to cluster to host. Is there
> anything that I am missing or is there a reason for why this is the
> design in ovirt?

yes, you need a 1:1:1 for now. plan is to remove this need in the future 
by allowing to associate a storage domain with a cluster or host 
directly rather than only at DC level.

>
> I plan to use the system to provide a service where end-users will make
> API calls to create and delete VMs. It will be critical that
> oVirt-engine not be a single-point of failure. I can’t seem to find much
> information about whether oVirt-engine is designed with redundancy in
> mind. Is oVirt capable of a failover or an active-active configuration?

if engine is down, VMs can still continue to run.
for making engine HA, best approach right now is to use clustering 
technologies.

>
> Finally, I am attempting to automate registration of hosts to oVirt and
> am hitting this when I try to add a local storage domain:

I saw you solved this - but worth mentioning for ovirt-node, it has auto 
registration to engine flow.

>
> [oVirt shell (connected)]# create storagedomain --host test1 --type
> "Data (Master)" --storage-type "Local on host"
>
> unknown error: 'str' object has no attribute 'export'
>
> Is this a bug with ovirt-shell that I should file or am I doing
> something wrong? The host is in maintenance mode, I do not see anything
> in the engine logs after I run the command.
>
> Thanks,
>
> Andrey
>
>
>
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