Hello oVirt Padawan, You can install new engine machine and import existing storage domains there. https://www.ovirt.org/develop/release-management/features/storage/importstoragedomain/ Please read restrictions and limitations. I think it's more safe way to go in such kind of situations.
On Wed, Jan 4, 2017 at 6:40 PM, Rogério Ceni Coelho < rogeriocenicoe...@gmail.com> wrote: > Hi oVirt ObiWan´s, > > Today i try to rollback 4.0.5 to 4.0.4 because some instability with the > following method and i crash on a problem. :-( > > I shutdown oVirt Engine and make checkpoint on Engine VM ( Runs on > Hyper-V, don´t ask me way ... ). Rollback vm checkpoint to point in time > before 4.0.5 update process and power up ovirt engine vm. Everything ok > but, six virtual machines that i create before this point in time does not > exist on oVirt Engine Database and all came with external-VMNAME and i can > not do nothing on them. I really think (only in my dreams ) that when ovirt > engine goes up and talk with ovirt nodes, all new vm will be automatically > discovered again. The worst thing are that i use SAN Storage Domain and > oVirt use LVM to storage VM disks, so i don´t know how to find vm disks > that ovirt engine does not recognize (external-VMNAME). > > After all that, i rollback again to 4.0.5 and every vm are ok now again, > but i want to test this rollback process to 4.0.4 and do this on Production. > > I think the right steps are : > > 1. Run engine-backup /bin/engine-backup --mode=backup --scope=all > --file=/root/ovirt/`hostname`.`date +%d%m%Y.%H%M%S`.ovirt-engine.bkp > --log=/tmp/ovirt-engine_backup.log > 2. Shutdown ovirt engine vm. > 3. Make new checkpoint to rollback with something goes wrong > 4. Rollback to checkpoint witch 4.0.4 > 5. Restore engine-backup (from version 4.0.5) > 6. Start everything and check if all are ok > > This is the right way to rollback from one sub release to another ( 4.0.5 > to 4.0.4 ) ??? > This checkpoints/snapshots of ovirt-engine VM are the best way to rollback > in time ??? > > Thanks in advance. > > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > > -- Pavel Zhukov Software Engineer RHEV Devops IRC: landgraf
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