<div dir="ltr">Oh my god ... This option means a lot of work ... But thanks anyway ... I think in this case are more easy to clone this six new VMs (that does not exist on ovirt engine database 4.0.4) to another Storage Domain with NFS or oVirt Production enviroment and recreate them after checkpoint rollback.<div><br></div><div>Do you think ovirt-engine database restore are really not an option from 4.0.5 to 4.0.4 ?</div><div><br></div><div>Thanks.</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr">Em qua, 4 de jan de 2017 às 15:55, Pavel Zhukov <<a href="mailto:pzhukov@redhat.com">pzhukov@redhat.com</a>> escreveu:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="gmail_msg"><div class="gmail_default gmail_msg" style="font-family:monospace,monospace">Hello oVirt Padawan,</div><div class="gmail_default gmail_msg" style="font-family:monospace,monospace">You can install new engine machine and import existing storage domains there. <a href="https://www.ovirt.org/develop/release-management/features/storage/importstoragedomain/" class="gmail_msg" target="_blank">https://www.ovirt.org/develop/release-management/features/storage/importstoragedomain/</a> Please read restrictions and limitations.</div><div class="gmail_default gmail_msg" style="font-family:monospace,monospace">I think it's more safe way to go in such kind of situations.</div></div><div class="gmail_extra gmail_msg"><br class="gmail_msg"><div class="gmail_quote gmail_msg"></div></div><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg">On Wed, Jan 4, 2017 at 6:40 PM, Rogério Ceni Coelho <span dir="ltr" class="gmail_msg"><<a href="mailto:rogeriocenicoelho@gmail.com" class="gmail_msg" target="_blank">rogeriocenicoelho@gmail.com</a>></span> wrote:<br class="gmail_msg"></div></div><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="gmail_msg">Hi oVirt ObiWan´s,<div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">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. :-(</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">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).</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">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.</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">I think the right steps are :</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">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</div><div class="gmail_msg">2. Shutdown ovirt engine vm.</div><div class="gmail_msg">3. Make new checkpoint to rollback with something goes wrong</div><div class="gmail_msg">4. Rollback to checkpoint witch 4.0.4</div><div class="gmail_msg">5. Restore engine-backup (from version 4.0.5)</div><div class="gmail_msg">6. Start everything and check if all are ok</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">This is the right way to rollback from one sub release to another ( 4.0.5 to 4.0.4 ) ???</div><div class="gmail_msg">This checkpoints/snapshots of ovirt-engine VM are the best way to rollback in time ???</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">Thanks in advance.</div><div class="gmail_msg"><br class="gmail_msg"></div></div>
<br class="gmail_msg"></blockquote></div></div><div class="gmail_extra gmail_msg"><div class="gmail_quote gmail_msg"><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">_______________________________________________<br class="gmail_msg">
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<br class="gmail_msg"></blockquote></div></div><div class="gmail_extra gmail_msg"><br class="gmail_msg"><br clear="all" class="gmail_msg"><div class="gmail_msg"><br class="gmail_msg"></div>-- <br class="gmail_msg"><div class="m_-5365599946360784723gmail_signature gmail_msg" data-smartmail="gmail_signature"><div dir="ltr" class="gmail_msg"><div class="gmail_msg"><div dir="ltr" class="gmail_msg"><div dir="ltr" class="gmail_msg">Pavel Zhukov</div><div dir="ltr" class="gmail_msg">Software Engineer</div><div dir="ltr" class="gmail_msg">RHEV Devops</div><div dir="ltr" class="gmail_msg">IRC: landgraf</div><div class="gmail_msg"><br class="gmail_msg"></div></div></div></div></div>
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