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

On Sat, Feb 10, 2018 at 5:47 PM, Thomas Letherby <xrs444(a)xrs444.net&gt; wrote: > 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. > An example on how to check for updates is available @ https://github.com/oVirt/ovirt-engine-sdk/blob/master/sdk/examples/upgrad... Y. > Thomas > > On Fri, Feb 9, 2018, 2:26 AM Martin Sivak <msivak(a)redhat.com&gt; 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(a)gmail.com&gt; wrote: >> > On Fri, Feb 9, 2018 at 2:30 AM, Thomas Letherby <xrs444(a)xrs444.net&gt; >> 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(a)ovirt.org >> > http://lists.ovirt.org/mailman/listinfo/users >> > >> > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > >