1997 Advances in Parallel and Distributed Computing Conference (APDC '97)
Utilization of Disk Drives for RAID
Shanghai, CHINA
March 19-March 21
ISBN: 0-8186-7876-3
Feng Dan, Storage Syst. Nat. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, China
Zhou Xinrong, Storage Syst. Nat. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, China
Jin Hai, Storage Syst. Nat. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, China
Zhang Jiangling, Storage Syst. Nat. Lab., Huazhong Univ. of Sci. & Technol., Wuhan, China
A stochastic Petri nets (SPN) model of RAID-5 is constructed. With the model and its isomorphic Markov chain, the average utilization of disk drives in RAID for small write and large I/O request can be calculated. It provides us a good method to evaluate the performance of RAID in the paper.
Index Terms:
Petri nets, disk drives, stochastic Petri nets model, RAID-5, isomorphic Markov chain, performance evaluation
Citation:
Feng Dan, Zhou Xinrong, Jin Hai, Zhang Jiangling, "Utilization of Disk Drives for RAID," apdc, pp.186, 1997 Advances in Parallel and Distributed Computing Conference (APDC '97), 1997