Re: [ovirt-users] Migrate hosted-engine from NFS to ISCSI

On Thu, Jun 9, 2016 at 9:00 AM, Madhuranthakam, Ravi Kumar <ravi-kumar.madhuranthakam(a)hpe.com&gt; wrote: You can try to follow the discussion here: https://bugzilla.redhat.com/show_bug.cgi?id=1240466 Basically you have to: - take a backup of the engine with engine-backup - deploy from scratch on an host pointing to the new storage domain - - if you are going to use the engine appliance, here you have to avoid automatically executing engine setup since: - - - you have to manually copy the backup to the new VM - - - you have tu run engine-backup to restore it, - - - only after that you can execute engine-setup - at the end you can continue with hosted-engine setup *** - then you have to run hosted-engine --deploy again on each host to point to the new storage domain *** the flow is currently broken here: hosted-engine-setup will fail since: - the old hosted-engine storage domain is already in the engine (since you restored the DB) but you are deploying on a different one - the engine VM is already in the DB but you are deploying with a new VM - all the hosted-engine host are already in the engine DB So you'll probably need to manually edit the engine-DB just after DB recovery in order to: - remove the hosted-engine storage domain from the engine DB - remove the hosted-engine VM from the engine DB - remove all the hosted-engine host from the engine DB since you are going to redeploy them We are looking for adding this capability to engine-backup