6:17 a.m.
On Fri, Sep 23, 2016 at 4:14 PM, Davide Ferrari <davide(a)billymob.com> wrote:
I'm struggling with the same problem (I say struggling because
I'm still
having stability issues for what i consider a stable cluster) but you can:
- create a replica 3 engine gluster volume
- create replica 2 data, iso and export volumes
What are the stability issues you're facing? Data volume if used as a data
storage domain should be a replica 3 volume as well.
Deploy the hosted-engine on the first VM (with the engine volume) froom
the CLI, then log in Ovirt admin, enable gluster support, install *and
deploy* from the GUI host2 and host3 (where the engine bricks are) and then
install host4 without deploying. This should get you the 4 hosts online,
but the engine will run only on the first 3
Right. You can add the 4th node to the cluster, but not have any bricks on
this volume in which case VMs will be run on this node but will access data
from the other 3 nodes.
2016-09-23 11:14 GMT+02:00 Goorkate, B.J. <b.j.goorkate(a)umcutrecht.nl>:
> Dear all,
>
> I've tried to find a way to add a 4th oVirt-node to my existing
> 3-node setup with replica-3 gluster storage, but found no usable
> solution yet.
>
> From what I read, it's not wise to create a replica-4 gluster
> storage, because of bandwith overhead.
>
> Is there a safe way to do this and still have 4 equal oVirt nodes?
>
> Thanks in advance!
>
> Regards,
>
> Bertjan
>
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--
Davide Ferrari
Senior Systems Engineer
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