Open Stack

For totally unrelated reasons we're running Ubuntu with our CEPH cloud.
However, we don't place OSDs (or any CEPH services) on our compute or
control nodes--completely distinct servers.

We run VXLAN tunnels for our tenant networks. GRE should also work fine.

On Fri, Nov 7, 2014 at 5:43 PM, MailingLists - EWS <
mailinglists at expresswebsystems.com> wrote:

> Since there seems to be a fair amount of people on this list running Ceph
> with Openstack, I wanted to ask what configuration most people are using
> for their Ceph/Openstack configuration.
>
>
>
> We tried installing Ceph on CentOS 6 (storage nodes and nova nodes) but
> discovered that the kernel that is included in RDO (for nova) doesn't
> include rbd support in qemu-img. No problem we thought, we will just use
> the kernel-lt from elrepo which does include support for rbd. However after
> installing those kernels we discovered that our GRE based networking didn't
> work. After some additional troubleshooting we determined that the
> kernel-lt didn't include the backported ovs vport GRE capability that the
> RDO kernel has (it apparently was added in 3.11 but kernel-lt is 3.10).
>
>
>
> So we have to decide how we want to implement our cluster and cloud.
>
>
>
> Are you implementing Openstack on Debian/Ubuntu to get around these sorts
> of issues?
>
> Are you running newer mainline kernels (kernel-ml) with CentOS 6?
>
> Or are you running vlan based tenant isolation for your tenant networks?
>
> Are you running custom compiled kernels?
>
> Is there something else I am missing?
>
>
>
> Any input from your experience is greatly appreciated.
>
>
>
> Warm regards,
>
>
>
> Tom Walsh
>
> Express Web Systems
>
> _______________________________________________
> OpenStack-operators mailing list
> OpenStack-operators at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>
>
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