[ovirt-users] To oVirt or not to oVirt

[Daniel Helgenberger]

Hi Phil,
On 07.10.2014 15:42, Phil Daws wrote:
> am reading through the release notes for 3.5 as I believe one can install the engine on a VM now.
Indeed, this is called Hosted Engine. In 3.5, witch is expected to be
released in a few days/week you can also use a prebuild virtual
appliance for this purpose. Also, the ovirt Node, witch is a prebuld
minimal OS, will have the feature to support Hosted Engine.
If you are running only one host, I would advice deploying more hosts or
take the traditional approach and put the engine in bare metal box for
production.

Maybe you stumbled over the admin guide [1] already? The doc is quite
new and reflects oVirt 3.4

Keep in mind, EL7 is sopported as HOST in 3.5 only atm, your Engine
still needs to run Fedora 19 / EL6.5
>   As I only have one server at present my thoughts are to install CentOS7, then oVirt 3.5 node (vdsm), and then create a VM which would be the oVirt Engine.
There is a script, called hosted-engine --depoly for that. All you need
to do is to enable the repos in yum and install ovirt-hosted-engine,
desirably from a minimal install. Please read [2].
>   Then as I add on another server I can just build that as a node and the Engine can be moved between.  Is that correct ? Thanks, P.
Also, for testing you can use ovirt all in one [3]. This is a HV host
plus engine (but not as a VM IIRC). I would not recommend this for
production.

[1] http://www.ovirt.org/OVirt_Administration_Guide
[2] http://www.ovirt.org/Features/Self_Hosted_Engine
[3] http://www.ovirt.org/Feature/AllInOne
> ----- Original Message ----- 
> From: "Dan Yasny" <dyasny at gmail.com> 
> To: "Phil Daws" <uxbod at splatnix.net> 
> Cc: "users" <users at ovirt.org> 
> Sent: Tuesday, 7 October, 2014 2:29:39 PM 
> Subject: Re: [ovirt-users] To oVirt or not to oVirt 
>
> Why do you need OVS? oVirt supports VLANs out of the box without the extra hurdle 
>
> On Tue, Oct 7, 2014 at 9:21 AM, Phil Daws < uxbod at splatnix.net > wrote: 
>
>
> Would this be the way to integrate OVS http://www.ovirt.org/OVirt_Neutron_GRE_Integration_-_How_To ? or in 3.5 are you able to import OVS networks now ? Thank you. 
>
> ----- Original Message ----- 
> From: "Phil Daws" < uxbod at splatnix.net > 
> To: users at ovirt.org 
> Sent: Tuesday, 7 October, 2014 12:51:37 PM 
> Subject: Re: [ovirt-users] To oVirt or not to oVirt 
>
> Further to this if I wished to use oVirt do I need to completely wipe the CentOS7 server or could I install the upcoming oVirt 3.5 directly over the top ? Thank you. 
>
> ----- Original Message ----- 
> From: "Phil Daws" < uxbod at splatnix.net > 
> To: users at ovirt.org 
> Sent: Tuesday, 7 October, 2014 10:32:32 AM 
> Subject: [ovirt-users] To oVirt or not to oVirt 
>
> Good day all! 
>
> have been a KVM user/admin for the last few years and have configured all aspects using either VirtManager or CLI where required. 
>
> am about to reinstall my development system and started to look at using CentOS7 as the host, and to get a more recent version of KVM. After a little search around I came across oVirt and am considering whether to install this now and use it as the main configuration tool. 
>
> do have a couple of questions which hopefully somebody will be able to help with? at present I am using OpenVSwitch with KVM so that I could use the vlan capabilities and wish to ask whether will need to move away from that to a different solution ? On my host I already have about 10 VMs that I wish to keep and whether I could migrate them into oVirt ? I have been using LVM volumes as raw storage for the VM images so presume would need to convert them to a different format for use ? 
>
> one of my VMs actually acts as a storage provider, using Quantastor, which then presents storage to other VMs using iSCSI which hope I can still use in oVirt ? 
>
> Apologies if these questions are a little vague but am trying to get my head around how it would all work. 
>
> Thank you, Phil 
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Daniel Helgenberger
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