[ovirt-users] Storage Diversity Options oVirt 3.6

[Simone Tiraboschi]

On Fri, Mar 18, 2016 at 5:27 PM, Clint Boggio <clint at theboggios.com> wrote:

> Greetings all, and Happy Friday;
>
> I'm running oVirt 3.6 management engine that is currently overseeing 4
> compute nodes, attached to iSCSI storage over Infiniband. The compute
> nodes have 8 hot-swap hard drive slots, with each only having 2 slots
> occupied in a hardware RAID array level one for the hypervisor to live
> on.
>
> Would it be possible for me to set up each compute node with a second
> array in the remaining 6 hot-swap slots, and utilize that new space for
> a nice fault tolerant GlusterFS storage array ?
>

That schema is called hyper-converged.
Please see:
https://fosdem.org/2016/schedule/event/virt_iaas_ovirt_hyperconverge/attachments/slides/1119/export/events/attachments/virt_iaas_ovirt_hyperconverge/slides/1119/presentation_fosdem.pdf

Take care that currently it's not production ready.


>
> 1. Would the system allow me to add the Gluster storage to the existing
> datacenter/cluster that is currently using iSCSI ?
>
> 2. Would I be able to configure all aspects of the Gluster
> environment(except the hardware RAID array)through the GUI ?
>
> 3. What hardware RAID level would be optimal for  this configuration ?
> (RHEV documentation says RAID 6 is "Mandatory")
>
> 4. Will the system support live migration between storage domains ?
>
> I'm reading through the gluster documentation now to get a better
> understanding of it's inner workings. Is there a good source for Gluster
> on oVirt that i can reference as well ?
>
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