[openstack-dev] [Fuel] Ceph Public Network Setting

Zhou Zheng Sheng / 周征晟 zhengsheng at awcloud.com
Wed Jun 24 08:42:06 UTC 2015


Thank you guys!

I'm reading the advanced networking spec and think it's good. I'll try
to comment it. It's too epic for me for now. I wrote a patch to move
Ceph public network to storage network. It's based on Fuel 6.0, so I'm
trying to rebase it to lastest master then maybe ask you for a review.

on 2015/06/23 19:21, Igor Kalnitsky wrote:
> Hello,
>
> That makes sense to me. Still, I want to point that we're going to
> implement advanced networking and with this feature you'll be able to
> assign every single network role to any network.
>
> That means, you'll be able to assign ceph network role to storage,
> management or  whatever-you-want network. Sounds cool, ha? :)
>
> Feel free to read a design spec [1].
>
> Thanks,
> Igor
>
> [1]: https://review.openstack.org/#/c/115340/
>
> On Tue, Jun 23, 2015 at 1:13 PM, Zhou Zheng Sheng / 周征晟
> <zhengsheng at awcloud.com> wrote:
>> Hi!
>>
>> I notice that in OpenStack deployed by Fuel, Ceph public network is on
>> management network. In some environments, not all NICs of a physical
>> server are 10Gb. Sometimes 1 or 2 among the NICs on a machine may be
>> 1Gb. Usually on this type of machine we assign management network to 1Gb
>> NIC, and storage network to 10Gb NIC. If Ceph public network is with
>> management network, the QEMU accesses Ceph using management network, and
>> the performance is not optimal.
>>
>> In a small deployment, cloud controller and Ceph OSD may be assigned to
>> the same machine, so it would be more effective to keep Ceph client
>> traffic separated from MySQL, RabbitMQ, Pacemaker traffic. Maybe it's
>> better to place Ceph public network on the storage network. Agree?
>>
>> --
>> Best wishes!
>> Zhou Zheng Sheng, Software Developer
>> Beijing AWcloud Software Co., Ltd.
>>
>>
>>
>>
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-- 
Best wishes!
Zhou Zheng Sheng / 周征晟  Software Developer
Beijing AWcloud Software Co., Ltd.






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