[ovirt-users] oVirt 3.6 with ScaleIO

[Scott Sobotka]

Has anyone gotten an oVirt hosted engine and shared storage environment running 
with ScaleIO as the backing storage? 



I was thinking that I would just set up iSCSI LUNs in ScaleIO and have oVirt 
point directly to one for the hosted engine setup. From there, my plan was to 
assign disks to VMs as direct LUNs. 



Unfortunately, it looks like ScaleIO dropped iSCSI support at around version 
1.32 and I'm at a loss as to how I can expose ScaleIO LUNs to oVirt.



Thank you,

--Scott Sobotka




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Re: [ovirt-users] How to automate the ovirt host deployment?

[Yaniv Kaul]

On Sat, May 28, 2016 at 12:50 PM, Arman Khalatyan  wrote:

> Thank you for the hint. I will try next week.
> Foreman looks quite complex:)
>

I think this is an excellent suggestion - Foreman, while may take a while
to set up, will also be extremely useful to provision and manage not only
hosts, but VMs later on!

I would prefer simple Python script with 4 lines: add, install, setup
> networks and activate.
>

You can look at ovirt-system-tests , the testing suite for oVirt, on Python
code for the above.
Y.


> Am 27.05.2016 6:51 nachm. schrieb "Karli Sjöberg" :
>
>>
>> Den 27 maj 2016 18:41 skrev Arman Khalatyan :
>> >
>> > Hi, I am looking some method to automate the host deployments in a
>> cluster environment.
>> > Assuming we have 20 nodes with centos 7 eth0/eth1 configured. Is it
>> possible to automate installation with ovirt-sdk?
>> > Are there some examples  ?
>>
>> You could do that, or look into full life cycle management with The
>> Foreman.
>>
>> /K
>>
>> >
>> > Thanks,
>> > Arman.
>>
>
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Re: [ovirt-users] Changing Cluster CPU Type in a single Host with Hosted Engine environment

[Ralf Braendli]

Hi

I Tried this change but I can’t find a Table cluster in the postgres Database.

Best Regarfs

Ralf

Am 26.05.2016 um 15:22 schrieb Martin Polednik 
>:

On 26/05/16 13:01 +, Ralf Braendli wrote:
Hi

Thanks a lot for you help.
Just to be sure.
The Database would be the Datebase on the HostedEngine right ?

Right.

After this operation should it work directly or is a restart required ?

You should most likely restart the machine (to avoid hitting cached
values).

And for the Bug report this should be done here 
https://bugzilla.redhat.com/enter_bug.cgi?classification=oVirt ?

Yes (ovirt-engine, virt team).

Best Regards

Ralf Brändli

Am 26.05.2016 um 14:42 schrieb Martin Polednik 
>:

On 26/05/16 07:12 +, Ralf Braendli wrote:
Hi

I have the Problem that I selected the wrong CPU Type throw the setup process.
Is it posible to change it without an new installation ?

Hi!

I'm afraid this may not be possible using "regular" approach. You
could do this by directly changing the cpu type in database, but this
is not supported operation.

Just an example what would I do in this case (but proceed carefully
before changing anything in the DB):

$ su - postgres -c "psql -t engine -c \"SELECT
split_part(trim(regexp_split_to_table(option_value, ';')), ':', 2)
FROM vdc_options WHERE option_name = 'ServerCPUList' AND version =
'3.5';\""

gives you a nice list of supported cpu names (the database name must
be exact, so it's better to paste from that list.

Intel Conroe Family
Intel Penryn Family
Intel Nehalem Family
Intel Westmere Family
Intel SandyBridge Family
Intel Haswell-noTSX Family
Intel Haswell Family
Intel Broadwell-noTSX Family
Intel Broadwell Family
AMD Opteron G1
AMD Opteron G2
AMD Opteron G3
AMD Opteron G4
AMD Opteron G5
IBM POWER8

Then you can update the cluster directly:

$ su - postgres -c "psql -t engine -c \"UPDATE cluster SET cpu_name =
'YOUR CPU NAME' WHERE name = 'YOUR CLUSTER NAME';\""

('YOUR CPU NAME' and 'YOUR CLUSTER NAME' must of course correspond to
the cpu name from the list above and the name of the cluster
respectively)

Also, could you open a bug on this? I think we should be able to do
change the CPU type without all this.

Thanks,
mpolednik

We have a single Host with a Hosted Engine installed.
With this installation I can’t put the Host into Maintenance Mode because the 
Hosted Engine will run on this Host.

The Version we us is 3.5.5-1

Best Regards

Ralf Brändli
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Re: [ovirt-users] How to automate the ovirt host deployment?

[Karli Sjöberg]

Den 28 maj 2016 11:50 skrev Arman Khalatyan :
>
> Thank you for the hint. I will try next week.
> Foreman looks quite complex:)

Well, yeah, it takes a while to get into. But once you're there, you'll notice 
there's a lot of stuff already been done for deploying new hosts[*], as well as 
boatloads more to make your life a lot easier! If anything, just for the 
"documentation" you get for using it that you don't have to write afterwards:)

/K

[*]: http://youtu.be/gozX891kYAY

>
> I would prefer simple Python script with 4 lines: add, install, setup 
> networks and activate.
>
> Am 27.05.2016 6:51 nachm. schrieb "Karli Sjöberg" :
>>
>>
>> Den 27 maj 2016 18:41 skrev Arman Khalatyan :
>> >
>> > Hi, I am looking some method to automate the host deployments in a cluster 
>> > environment.
>> > Assuming we have 20 nodes with centos 7 eth0/eth1 configured. Is it 
>> > possible to automate installation with ovirt-sdk?
>> > Are there some examples  ?
>>
>> You could do that, or look into full life cycle management with The Foreman.
>>
>> /K
>>
>> >
>> > Thanks,
>> > Arman.
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Re: [ovirt-users] How to automate the ovirt host deployment?

[Arman Khalatyan]

Thank you for the hint. I will try next week.
Foreman looks quite complex:)

I would prefer simple Python script with 4 lines: add, install, setup
networks and activate.
Am 27.05.2016 6:51 nachm. schrieb "Karli Sjöberg" :

>
> Den 27 maj 2016 18:41 skrev Arman Khalatyan :
> >
> > Hi, I am looking some method to automate the host deployments in a
> cluster environment.
> > Assuming we have 20 nodes with centos 7 eth0/eth1 configured. Is it
> possible to automate installation with ovirt-sdk?
> > Are there some examples  ?
>
> You could do that, or look into full life cycle management with The
> Foreman.
>
> /K
>
> >
> > Thanks,
> > Arman.
>
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