That's exactly what I needed to know, thanks all. I'll schedule a script for the nodes to reboot and patch once every week or two and then I can let it run without me needing to worry about it.
Thomas On Fri, Feb 9, 2018, 2:26 AM Martin Sivak <msi...@redhat.com> wrote: > Hi, > > the hosts are almost stateless and we set up most of what is needed > during activation. Hosted engine has some configuration stored > locally, but that is just the path to the storage domain. > > I think you should be fine unless you change the network topology > significantly. I would also install security updates once in while. > > We can even shut down the hosts for you when you configure two cluster > scheduling properties: EnableAutomaticPM and HostsInReserve. > HostsInReserve should be at least 1 though. It behaves like this, as > long as the reserve host is empty, we shut down all the other empty > hosts. And we boot another host once a VM does not fit on other used > hosts and is places on the running reserve host. That would save you > the power of just one host, but it would still be highly available (if > hosted engine and storage allows that too). > > Bear in mind that single host cluster is not highly available at all. > > Best regards > > Martin Sivak > > On Fri, Feb 9, 2018 at 8:25 AM, Gianluca Cecchi > <gianluca.cec...@gmail.com> wrote: > > On Fri, Feb 9, 2018 at 2:30 AM, Thomas Letherby <xrs...@xrs444.net> > wrote: > >> > >> Thanks, that answers my follow up question! :) > >> > >> My concern is that I could have a host off-line for a month say, is that > >> going to cause any issues? > >> > >> Thanks, > >> > >> Thomas > >> > > > > I think that if in the mean time you don't make any configuration changes > > and you don't update anything, there is no reason to have problems. > > In case of changes done, it could depend on what they are: are you > thinking > > about any particular scenario? > > > > > > _______________________________________________ > > Users mailing list > > Users@ovirt.org > > http://lists.ovirt.org/mailman/listinfo/users > > >
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