[ovirt-users] latest CentOS libvirt updates safe?

[Christophe TREFOIS]

This is how I upgrade.

Works.

Dr Christophe Trefois, Dipl.-Ing.  
Technical Specialist / Post-Doc

UNIVERSITÉ DU LUXEMBOURG

LUXEMBOURG CENTRE FOR SYSTEMS BIOMEDICINE
Campus Belval | House of Biomedicine  
6, avenue du Swing 
L-4367 Belvaux  
T: +352 46 66 44 6124 
F: +352 46 66 44 6949  
http://www.uni.lu/lcsb

        

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> On 26 Jun 2016, at 08:57, Yedidyah Bar David <didi at redhat.com> wrote:
> 
> On Sun, Jun 26, 2016 at 4:14 AM, Brett I. Holcomb <biholcomb at l1049h.com> wrote:
>> 
>> 
>> On 06/25/2016 08:10 PM, Nir Soffer wrote:
>>> 
>>> On Sat, Jun 25, 2016 at 8:51 PM, Brett I. Holcomb <biholcomb at l1049h.com>
>>> wrote:
>>>> 
>>>> 
>>>> On 06/25/2016 10:57 AM, Robert Story wrote:
>>>> 
>>>> I have oVirt 3.5.x on CentOS 7 hosts. These hosts have updates which
>>>> include livbirt:
>>>> 
>>>>  libvirt-client                   x86_64  1.2.17-13.el7_2.5      updates
>>>> 4.3 M
>>>>  libvirt-daemon                   x86_64  1.2.17-13.el7_2.5      updates
>>>> 585 k
>>>>  libvirt-daemon-config-nwfilter   x86_64  1.2.17-13.el7_2.5      updates
>>>> 122 k
>>>>  libvirt-daemon-driver-interface  x86_64  1.2.17-13.el7_2.5      updates
>>>> 162 k
>>>>  libvirt-daemon-driver-network    x86_64  1.2.17-13.el7_2.5      updates
>>>> 302 k
>>>>  libvirt-daemon-driver-nodedev    x86_64  1.2.17-13.el7_2.5      updates
>>>> 161 k
>>>>  libvirt-daemon-driver-nwfilter   x86_64  1.2.17-13.el7_2.5      updates
>>>> 185 k
>>>>  libvirt-daemon-driver-qemu       x86_64  1.2.17-13.el7_2.5      updates
>>>> 571 k
>>>>  libvirt-daemon-driver-secret     x86_64  1.2.17-13.el7_2.5      updates
>>>> 155 k
>>>>  libvirt-daemon-driver-storage    x86_64  1.2.17-13.el7_2.5      updates
>>>> 328 k
>>>>  libvirt-daemon-kvm               x86_64  1.2.17-13.el7_2.5      updates
>>>> 118 k
>>>>  libvirt-lock-sanlock
>>>> 
>>>> Is it safe to let yum update these packages while the host has running
>>>> VMs?
>>>> in maintenance mode? or not at all?
>>>> 
>>>> 
>>>> Robert
>>>> 
>>>> 
>>>> 
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>> 
>>>> 
>>>> I saw a response where we are supposed to go to maintenance mode and then
>>>> VMs will migrate but i've got nowhere to migrate to as I'm on a host with
>>>> hosted Engine and no other host to migrate to.  So do I shutdown all VMs
>>>> and
>>>> then go to maintenance mode and then update and reboot my host?
>>> 
>>> In this case you cannot put the host into maintenance, since hosted
>>> engine is running on this host.
>>> 
>>> Adding Simone to add more details on hosted engine upgrades.
>>> 
>>> Nir
>> 
>> Thanks.  That will be a big help.
> 
> Didn't test, I think this will work:
> 
> 1. Shutdown all other VMs (as you already did)
> 2. Move to global maintenance: hosted-engine --set-maintenance --mode=global
> 3. Cleanly shutdown engine vm
> 4. stop HA daemons: service ovirt-ha-agent stop ; service ovirt-ha-broker stop
> 5. yum update what you need/want
> 6. Reboot (perhaps not always needed)
> 7. See that HA daemons started
> 8. Exit global maintenance: hosted-engine --set-maintenance --mode=none
> 9. Start engine vm (or see that HA starts it)
> -- 
> Didi
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users