[ovirt-users] oVirt 3.6 and gluster volumes

[Simone Tiraboschi]

On Mon, Nov 16, 2015 at 10:15 AM, Richard Neuboeck <hawk at tbi.univie.ac.at>
wrote:

> Hi,
>
> I'm having some trouble installing oVirt 3.6 hosted engine with gluster.
>
> First of here are the questions that arose:
> Do I need separate gluster volumes for the hosted engine and the
> other VMs?
>

Yes, you need two distinct storage domains.


> If yes I'm guessing the same optimizations apply to the /engine
> volume as to the other volume as described in
> http://www.ovirt.org/Features/Self_Hosted_Engine_Gluster_Support
>
>
Absolutely.


> Post installation the storage tab is completely empty though I did
> create an NFS ISO domain during the hosted-engine --deploy process.
> Is that normal behavior?
>
> Should the engine gluster volume be manually imported ('Import
> Domain') or is this volume never visible?
>

It should be automatically imported but we have a know open bug on that:
https://bugzilla.redhat.com/1269768


>
> If I have a separate VM volume I guess I need to create a 'New
> Domain'. If I do that the over lay window in the UI that allows me
> to enter the glusterfs connection details clears. I see an animated
> circle in the middle but nothing happens. There is no entry in the
> engine log or the in any host log. If I wait long enough the UI
> terminates the session and I'm at the login again.
>

This one seams a new issue.
Can you please attach VDSM from your host?


>
> Last question (for now, I promise): The engine VM is not visible in
> the UI. Obviously it's running or otherwise there would be no UI.
> From a variety of sources I get the impression that this shouldn't
> be but I'm not sure why the engine VM is not showing itself.
>

This is a side effect of the Hosted Engine Storage Domain Auto import bug:
the engine has to import the hosted-engine storage domain to show the
engine VM.


>
> Sorry for so many maybe obvious questions but since I'm new to oVirt
> im still stumbling around in the dark for things that do not work
> according to plan. In case of what should be shown in the UI I'm
> still not sure what the plan is.
>
> To give some background information about my setup:
> All machines are running up to date versions of CentOS 7.1 64bit.
> I've three dedicated machines for the gluster storage. The replica 3
> gluster volumes are created on top of thinly provisioned volumes.
>
> There are three dedicated hosts for virtualization. On the first I'm
> trying a hosted-engine --deploy. The other two machines are unused
> since I didn't get everything working as expected.
>
> The engine, installed during the deploy process, is installed from a
> local ISO Centos image. Installation is done manually.
>
> I've created two gists:
> One listing the commands for the gluster volume:
>
> https://gist.github.com/tbihawk/4c92dc246a64990942d3#file-ovirt-gluster-setup
>
> One listing what I've done to install oVirt:
>
> https://gist.github.com/tbihawk/adb0a0e7d2a081d63629#file-ovirt-installation-procedure
>
> Any help is highly appreciated since I'm kind of stuck.
> Thanks!
> Richard
>
> --
> /dev/null
>
>
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