[ovirt-users] Maximum time node can be offline.

[Thomas Letherby]

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 <msivak at 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.cecchi at gmail.com> wrote:
> > On Fri, Feb 9, 2018 at 2:30 AM, Thomas Letherby <xrs444 at 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 at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
>
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