Abstract
Large-scale virtual computing system requires a loosely coupled virtual resource management solution. The solution should be able to flexibly increase or decrease virtual resources and to smooth upgrade the cloud platform. OpenStack provides large-scale virtualization solution such as Cells v2.0 and Tricircle/Trio2o. But it’s so complex and difficult to be deployed and maintain for small cloud computing teams. We discuss a loosely coupled cloud infrastructure. It is based on a central database and plugin to achieve information collection, virtual machine scheduling and controlling and uses a simplified method to achieve unified management of network and images. It can flexibly expand or reduce cluster members, deploy different versions of OpenStack and even a heterogeneous cloud platform. The test bed works well at IHEP. We will show and analyse the infrastructure.
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