[ovirt-users] Current state of infiniband support in ovirt?

[Arman Khalatyan]

Hi Jeff,
you can find some information in the docs:
https://www.ovirt.org/documentation/how-to/networking/infiniband/
The IB can be used for the storage and vm migration network,  but not for
the VM network due to the bonding.
in our institute we have such a setup, storage over IB the rest over 10G
network. Works over the several years quite stable.
Now I am testing the glusterfs over rdma, unfortunately there are some bugs
in the ovirt storage implementation, so the gluster does not benefit from
the  IB performance, but you can use them over tcp/ip stack.


On Mon, Sep 18, 2017 at 9:25 PM, Jeff Wiegley <jeffw at csun.edu> wrote:

> I'm looking at creating a scalable HA cluster. I've been looking at ovirt
> for the
> VM management side. (Proxmox/VMware are essentially licensed products and
> I'm at a university with no money and OpenStack seemed overkill and I don't
> need random users managing VM provisioning ala AWS)
>
> I need a central HA backend storage and I'm interested in using infiniband
> because it's very fast (40Gb) and cheap to obtain switches and adapters
> for.
>
> However, I was wondering if ovirt is capable of using infiniband in a No-IP
> SAN configuration? (I've seen that infiniband/IP over Infiniband/NFS is
> possible
> but I would rather use SAN instead of NAS and also avoid the IP overhead
> in the long run.
>
> What is the current state of using raw infiniband to provide SAN storage
> for
> ovirt based installations?
>
> Thank you for your expertise,
>
> Jeff W.
>
>
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