[Openstack-operators] Hyper-converged OpenStack with Ceph

Fox, Kevin M Kevin.Fox at pnnl.gov
Thu Mar 19 17:36:57 UTC 2015


On the shared cloud, no. There is only one nic and we havent tried doing any qos on it.

Thanks,
Kevin

________________________________
From: Chris Friesen
Sent: Thursday, March 19, 2015 10:10:47 AM
To: openstack-operators at lists.openstack.org
Subject: Re: [Openstack-operators] Hyper-converged OpenStack with Ceph

On 03/19/2015 10:33 AM, Fox, Kevin M wrote:
> We've running it both ways. We have clouds with dedicated storage nodes, and
> clouds sharing storage/compute.
>
> The storage/compute solution with ceph is working ok for us. But, that
> particular cloud is 1gigabit only and seems very slow compared to our other
> clouds. But because of the gigabit interconnect, while the others are
> 40gigabit, its not clear if its slow because of the storage/compute together,
> or simply because of the slower interconnect. Could be some of both.

Are you doing anything to isolate the ceph work from the nova compute work?
(Separate NICs, separate CPUs, different disks, etc.)

Chris

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