[ovirt-users] Upgrade order 3.4.2 -> 3.5.x

[Gianluca Cecchi]

On Fri, Oct 31, 2014 at 12:54 PM, Daniel Helgenberger <
daniel.helgenberger at m-box.de> wrote:

>
>
> > Afterwards I clean hypervisor hosts one by one and clean/reinstall it
> into
> > the cluster?
> This what I have done; remember you need to add the 3.5 repos otherwise
> VDSM will be (re)installed from the latest 3.4 repos and not upgraded to
> the '3.5' version. Also, this process went like a charm without any
> issues (let alone loosing guest)
> >


One question related to host reinstall vs "yum update vdsm*" comes into my
mind now..

On one of my all-in-one environments, which started from 3.0 days and now
is at 3.5 through progressive updates, I recently noticed some *.rpmnew
packages related to both engine and vdsm components.
I always updated the host part through "yum update" on this all-in-one
server.
This situation forced me to compare running .conf file vs .rpmnew ones and
to clean then the situation.

The question is: in general when you run "reinstall host" from engine gui,
does this process run a "yum update" and so you should care about possible
change in .conf files format, or does it go through uninstall/install?

Thanks
Gianluca
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