Yoji Yamato
ABSTRACT
For typical IaaS cloud usage, frequent provisioning of virtual volumes is needed. However, performance of HDD storage is not sufficient and becomes bottleneck in IaaS cloud. In this paper, we studied a comparison of HDD-SSD hybrid storage, distributed storage and normal HDD storage as block storage of OpenStack Cinder and evaluated applicability of these 3 types storage to IaaS cloud. Hybrid storage can show much higher performances than HDD storage and is suitable for analysis applications, and distributed storage performance degradation is lower than HDD storage when concurrent processing number is increased and is suitable for archive or file services.
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Index Terms
- Use case study of HDD-SSD hybrid storage, distributed storage and HDD storage on OpenStack
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