[ovirt-users] Re: Involuntary emergency upgrade from 4.1 to 4.2

On Mon, Oct 29, 2018 at 10:00 AM Simone Tiraboschi <stirabos(a)redhat.com&gt; wrote: > > Hi, > AFAIK https://resources.ovirt.org/pub/ovirt-4.1/ is still there, maybe you could find some issues with other repos. > > If you want to take a shortcut, https://resources.ovirt.org/pub/ovirt-4.1/rpm/el7/noarch/ovirt-engine-app... contains latest 4.1 based engine appliance. > You can extract the OVA file from there and use it to boot a temporary VM with virt-install and then upgrade the engine there to 4.2 in order to take a new 4.2 based backup that your can restore where you prefer with up to date rpms. > > > On Mon, Oct 29, 2018 at 8:49 AM <djohnson(a)maxistechnology.com&gt; wrote: >> >> I'm looking for a hand in recovering my ovirt cluster from a hardware failure. The hard drive on my cluster controller failed, and I would like to recover from backup. >> >> The problem is, the cluster was 4.1, which is less than a year old, but was nevertheless removed from the active repositories back in May. 4.2 will not recover from 4.1 backups. If you are brave, you can also "cheat" - patch engine-backup to allow recovering 4.1. That's a trivial patch, and the main problem with it is that no-one tested it, and I do expect it might introduce subtle issues. But considering the alternatives, it might be a reasonable approach. If you do, try restoring first on an _isolated_ VM somewhere, try to see how the engine behaves after restore (it will not work very well, because it will not manage to access its hosts - if you indeed isolated it well enough), and if it looks ok, try for real. See also e.g.: https://lists.ovirt.org/pipermail/users/2017-March/080346.html https://bugzilla.redhat.com/show_bug.cgi?id=1425788 That said, not sure why 4.1 does not work for you. I think it should still work, although I didn't try by myself recently. Good luck and best regards, >> >> The storage domains are all intact (I think), and the hosts are still running (unmanaged). I've tried to manually restore the engine from backups, but either the upgrade is reinitializing or I am missing something. >> >> Any ideas? >> _______________________________________________ >> 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/HRIUSVMGGCI... > > _______________________________________________ > 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/3OIB2WQSMHV... -- Didi