[ovirt-users] To oVirt or not to oVirt

[Phil Daws]

Thank Dan,

your wise comments are very much appreciated.  am just wondering whether to go CentOS 6.X or 7 at this time especially as 7 has only just come out the stable gate.  a question would be whether oVirt would work best on the 6.X or 7 version, especially as its developing so quickly.  Just looking at my two systems there is quite a gap already:

C6
--
qemu-kvm-0.12.1.2-2.415.el6_5.10.x86_64

C7
--
qemu-kvm-1.5.3-60.el7_0.7.0.1.x86_64

All thoughts appreciated. Thanks, P.

----- 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 2:40:39 PM 
Subject: Re: [ovirt-users] To oVirt or not to oVirt 

If you really intend to use that, you will need to install neutron with whatever plugins you need and use it as an external provider for the VMs. If this is just a matter of "I can haz this cool tech", but really, regular bridging with VLAN support, custom MTUs and a bunch of other features (especially a very easy graphical setup) are enough, I'd stick with oVirt native networking - it's pretty powerful in it's own right. 



On Tue, Oct 7, 2014 at 9:37 AM, Phil Daws < uxbod at splatnix.net > wrote: 


Hello Dan, 

Options mainly as would like to start using SFlow down the line for protocol analysis across the VMs; plus GRE etc. 

Thanks, P. 

----- 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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