[ovirt-users] oVirt Engine redundant ?

[Nico]

Le 2015-10-12 09:17, Nico a écrit : 

> Le 2015-10-12 09:09, Barak Korren a écrit : 
> 
> What that procedure describes is backing up an existing engine,
> installing a new one and then restoring the backed up data into it.
> This was probably written to describe migration from a stand-alone
> engine host, not an AllInOne.
> Theoretically this should work for your setup, but I am not sure if
> the new hosted engine will be able to properly use the AllInOne node
> as a hypervisor (it would probably depend on the copied configuration
> containing enough details to allow the engine to connect to it over
> the network. you will probably at the very last have to shut down the
> existing engine before starting up the hosted engine)
> I would suggest doing as many backups as you can before starting, and
> performing the H.E. setup on a host that wasn't used by the existing
> engine, that way if it fails you can just shut it down and bring your
> old engine back up.

I got a backup running at this moment, scping
/gluster/ovirt/d44ee4b0-8d36-467a-9610-c682a618b698/images/ to a third
device. 

So, once done, i'll give a shot on the node2 which is running only VDSM
as Host agent. 

Hope all will be fine ! 

Hi, 

My backups are done, i'm now processing the installation for having the
engine in a VM but i got the following error at the first step: 

[root at devnix-virt-master02 ~]# hosted-engine --deploy
[ INFO ] Stage: Initializing
[ INFO ] Generating a temporary VNC password.
[ INFO ] Stage: Environment setup
Continuing will configure this host for serving as hypervisor and create
a VM where you have to install oVirt Engine afterwards.
Are you sure you want to continue? (Yes, No)[Yes]:
Configuration files: []
Log file:
/var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20151013090336-0upz5f.log
Version: otopi-1.3.2 (otopi-1.3.2-1.el7.centos)
[ INFO ] Hardware supports virtualization
[ INFO ] Bridge ovirtmgmt already created
[ INFO ] Stage: Environment packages setup
[ INFO ] Stage: Programs detection
[ INFO ] Stage: Environment setup
[ INFO ] Stage: Environment customization 

--== STORAGE CONFIGURATION ==-- 

During customization use CTRL-D to abort.
[ ERROR ] The following storage pool has been found connected:
0ae7120a-430d-4534-9a7e-59c53fb2e804
[ ERROR ] Failed to execute stage 'Environment customization': Cannot
setup Hosted Engine with connected storage pools
[ INFO ] Stage: Clean up
[ INFO ] Generating answer file
'/var/lib/ovirt-hosted-engine-setup/answers/answers-20151013090355.conf'
[ INFO ] Stage: Pre-termination
[ INFO ] Stage: Termination 

There is no VM running at this moment on this hypervisor (node 2). The
error suggests that the storage is still in use. 

[root at devnix-virt-master02 ~]# vdsClient -s 0
getConnectedStoragePoolsList
0ae7120a-430d-4534-9a7e-59c53fb2e804 

Does that mean i must set this hypervisor (node 2) in MAINTENANCE in
order to continue the steps described in 

http://200.1.19.60/ovirt-engine/docs/manual/en-US/html/Installation_Guide/Migrating_to_a_Self-Hosted_Environment.html
[1] 

Thanks 

Regards 

Nico 

 

Links:
------
[1]
http://200.1.19.60/ovirt-engine/docs/manual/en-US/html/Installation_Guide/Migrating_to_a_Self-Hosted_Environment.html
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