[ovirt-users] Expand an ovirt+glusterfs cluster

[Sahina Bose]

On Wed, Mar 22, 2017 at 8:29 PM, Davide Ferrari <davide at billymob.com> wrote:

>
>
> 2017-03-22 8:09 GMT+01:00 Sahina Bose <sabose at redhat.com>:
>
>
>>
>> A gluster volume cannot span multiple clusters. If you want to create a
>> separate cluster with the Broadwell nodes, then create a new gluster volume
>> using the disks from these nodes - i.e do not expand the existing volume by
>> adding bricks from the new servers.
>>
>
> About this: why?
> I mean, from the new cluster I can spawn a VM based on an image stored in
> the other cluster domain and it works.  What's the problem?
> Anyway I created a new data domain for that cluster
>

Each cluster is also created as a gluster trusted storage pool - that is
nodes in the cluster are peer probed to each other. A gluster volume can
only span one trusted storage pool at a time.
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