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

Zhou Zheng Sheng / 周征晟 zhengsheng at awcloud.com
Tue Jun 23 10:13:38 UTC 2015


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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