[ovirt-users] Re: rebooting an ovirt cluster

On Sat, Feb 2, 2019 at 7:32 PM feral <blistovmhz(a)gmail.com&gt; wrote: > How is an oVirt hyperconverged cluster supposed to come back to life > after a power outage to all 3 nodes? > > Running ovirt-node (ovirt-node-ng-installer-4.2.0-2019013006.el7.iso) to > get things going, but I've run into multiple issues. > > 1. During the gluster setup, the volume sizes I specify, are not > reflected in the deployment configuration. The auto-populated values are > used every time. I manually hacked on the config to get the volume sizes > correct. I also noticed if I create the deployment config with "sdb" by > accident, but click back and change it to "vdb", again, the changes are not > reflected in the config. > My deployment config does seem to work. All volumes are created (though > the xfs options used don't make sense as you end up with stripe sizes that > aren't a multiple of the block size). > Once gluster is deployed, I deploy the hosted engine, and everything > works. > > 2. Reboot all nodes. I was testing for power outage response. All nodes > come up, but glusterd is not running (seems to have failed for some > reason). I can manually restart glusterd on all nodes and it comes up and > starts communicating normally. However, the engine does not come online. So > I figure out where it last lived, and try to start it manually through the > web interface. This fails because vdsm-ovirtmgmt is not up. I figured out > the correct way to start up the engine would be through the cli via > hosted-engine --vm-start. > This is not required at all. Are you sure that your cluster is not set in global maintenance mode? Can you please share /var/log/ovirt-hosted-engine-ha/agent.log and broker.log from your hosts? > This does work, but it takes a very long time, and it usually starts up > on any node other than the one I told it to start on. > > So I guess two (or three) questions. What is the expected operation after > a full cluster reboot (ie: in the event of a power failure)? Why doesn't > the engine start automatically, and what might be causing glusterd to fail, > when it can be restarted manually and works fine? > > -- > _____ > Fact: > 1. Ninjas are mammals. > 2. Ninjas fight ALL the time. > 3. The purpose of the ninja is to flip out and kill people. > _______________________________________________ > Users mailing list -- users(a)ovirt.org > To unsubscribe send an email to users-leave(a)ovirt.org > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/RIADNRZRXTP... >