Hi,
As a first setup, you can go with a 3 nodes HCI and having the data volume
in a replica 3 setup.
Afterwards, if you want to expand HCI ( compute and storage too) you can
add sets of 3 nodes, and the data volume will automatically become
replicated-distributed. Safely, you can add sets of 3 nodes up to 12 nodes
per HCI.
You can also add "compute only nodes" and not extending storage too. This
can be done by adding nodes one by one.
As an example, I have an implementation where are 3 hyperconverged nodes,
they form a replica 3 volume, and later i have added the 4th node to the
cluster which only adds ram and cpu, whilts consuming storage from the
existing 3 nodes based volume.
Hope this helps.
Cheers,
Leo
On Fri, Feb 28, 2020, 15:25 Vrgotic, Marko <M.Vrgotic(a)activevideo.com>
wrote:
Hi Strahil,
I circled back on your reply while ago regarding oVirt Hyperconverged and
more than 3 nodes in cluster:
“Hi Marko, I guess you can use distributed-replicated volumes and
oVirt cluster with host triplets.”
Initially I understood that its limited to 3Nodes max per HC cluster, but
now reading documentation further
https://www.ovirt.org/documentation/gluster-hyperconverged/chap-Maintenan...
that does not look like it.
Would you be so kind to give me an example or clarify what you meant by “*you
can use distributed-replicated volumes and oVirt cluster with host
triplets.*” ?
Kindly awaiting your reply.
-----
kind regards/met vriendelijke groeten
Marko Vrgotic
ActiveVideo
*From: *"Vrgotic, Marko" <M.Vrgotic(a)activevideo.com>
*Date: *Friday, 11 October 2019 at 08:49
*To: *Strahil <hunter86_bg(a)yahoo.com>
*Cc: *users <users(a)ovirt.org>
*Subject: *Re: [ovirt-users] Hyperconverged setup questions
Hi Strahil,
Thank you.
One maybe stupid question, but significant to me:
Considering i haven’t been playing before with hyperconverged setup in
oVirt, is this something i can do from ui cockpit or does it require me
first setup an Glusterfs on the Hosts before doing anything via oVirt API
or Web interface?
Kindly awaiting your reply.
Marko
Sent from my iPhone
On 11 Oct 2019, at 06:14, Strahil <hunter86_bg(a)yahoo.com> wrote:
Hi Marko,
I guess you can use distributed-replicated volumes and oVirt cluster
with host triplets.
Best Regards,
Strahil Nikolov
On Oct 10, 2019 15:30, "Vrgotic, Marko" <M.Vrgotic(a)activevideo.com>
wrote:
Dear oVirt,
Is it possible to add oVirt 3Hosts/Gluster hyperconverged cluster to
existing oVirt setup? I need this to achieve Local storage performance, but
still have pool of Hypevisors available.
Is it possible to have more than 3Hosts in Hyperconverged setup?
I have currently 1Shared Cluster (NFS based storage, where also SHE is
hosted) and 2Local Storage clusters.
oVirt current version running is 4.3.4.
Kindly awaiting your reply.
— — —
Met vriendelijke groet / Kind regards,
*Marko Vrgotic*
*ActiveVideo*
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