[ovirt-users] oVirt 3.6 to 4.0 Upgrade
Brett I. Holcomb
biholcomb at l1049h.com
Mon Jun 27 01:12:58 UTC 2016
Yes, that makes sense. Thanks.
On 06/26/2016 10:00 AM, Christophe TREFOIS wrote:
>
> Hi,
>
> For CentOS 7, I set the host in global maintenance, and then upgrade
> the engine.
>
> After that, reboot cleanly the engine and set the maintenance back to
> none.
>
> Then you should update the host itself. To do that, you are strongly
> advised to shutdown the VMs first.
>
> If sanlock or vdsm get upgraded in the process, all your VMs will be
> terminated anyway, and this oculd lead to bad results.
>
> So if you don’t have another host, shutdown everything except engine,
> set to maintenance global, update engine, reboot engine, shutdown
> engine, update host, and then set maintenance back to none.
>
> Does that make sense?
>
> *From:*users-bounces at ovirt.org [mailto:users-bounces at ovirt.org] *On
> Behalf Of *Yaniv Dary
> *Sent:* dimanche 26 juin 2016 14:43
> *To:* biholcomb at l1049h.com
> *Cc:* users <users at ovirt.org>
> *Subject:* Re: [ovirt-users] oVirt 3.6 to 4.0 Upgrade
>
> What OS are you running the engine on?
>
>
> Yaniv Dary
> Technical Product Manager
> Red Hat Israel Ltd.
> 34 Jerusalem Road
> Building A, 4th floor
> Ra'anana, Israel 4350109
> Tel : +972 (9) 7692306
> 8272306
> Email: ydary at redhat.com <mailto:ydary at redhat.com>
> IRC : ydary
>
> On Sun, Jun 26, 2016 at 7:54 AM, Brett I. Holcomb
> <biholcomb at l1049h.com <mailto:biholcomb at l1049h.com>> wrote:
>
> In order to not hijack another thread I wanted to separate this
> from the "latest CentOS libvirt updates safe?" thread since this
> is different than what the OP on that thread wants to do.
>
> I've been digging through the 4.0 documentation since I'd like to
> upgrade in the not to distant future so I'm doing research and I'm
> confused.
>
> I'm running 3.6.6 in a hosted Engine environment. My engine runs
> in a vm on the host. The host is a physical box and the VMs are
> stored on a NAS accessed by an iSCSI LUN, I have no other hosts
> running so I can not migrate.
>
> According to this link, https://www.ovirt.org/release/4.0.0/, I'm
> told to simply run yum update ovirt-engine-setup and then
> engine-setup but I assume that's for a non hosted-engine
> environment. I then go to the link for
> Hosted_Engine_HOwto#Upgrade_Hosted_Engine guide and am told to do
> this.
>
> Set hosted-engine maintenance mode to global and other stuff that
> is written assuming I have some place to migrate my VMs to. I do
> not have another host.
>
> So how do I properly move to oVirt 4.0 from 3.6.6 on a single
> physical host running a hosted Engine VM?
>
> Thanks.
>
>
>
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> Users at ovirt.org <mailto:Users at ovirt.org>
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